Vulnerabilites related to opensmtpd - opensmtpd
cve-2020-35679
Vulnerability from cvelistv5
Published
2020-12-24 15:53
Modified
2024-08-04 17:09
Severity ?
Summary
smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups.
References
https://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/x_refsource_MISC
https://www.mail-archive.com/misc%40opensmtpd.org/msg05188.htmlx_refsource_MISC
https://github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/vendor-advisory, x_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/vendor-advisory, x_refsource_FEDORA
https://security.gentoo.org/glsa/202105-12vendor-advisory, x_refsource_GENTOO
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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cve-2023-29323
Vulnerability from cvelistv5
Published
2023-04-04 00:00
Modified
2024-08-02 14:07
Severity ?
Summary
ascii_load_sockaddr in smtpd in OpenBSD before 7.1 errata 024 and 7.2 before errata 020, and OpenSMTPD Portable before 7.0.0-portable commit f748277, can abort upon a connection from a local, scoped IPv6 address.
References
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sig
https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sig
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49&r2=1.49.4.1&f=h
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.50.4.1&f=h
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.51&f=h
https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061f
https://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55fae
https://security.netapp.com/advisory/ntap-20230526-0006/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/vendor-advisory
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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cve-2020-35680
Vulnerability from cvelistv5
Published
2020-12-24 15:53
Modified
2024-08-04 17:09
Severity ?
Summary
smtpd/lka_filter.c in OpenSMTPD before 6.8.0p1, in certain configurations, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted pattern of client activity, because the filter state machine does not properly maintain the I/O channel between the SMTP engine and the filters layer.
References
https://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/x_refsource_MISC
https://www.mail-archive.com/misc%40opensmtpd.org/msg05188.htmlx_refsource_MISC
https://github.com/openbsd/src/commit/6c3220444ed06b5796dedfd53a0f4becd903c0d1x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/vendor-advisory, x_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/vendor-advisory, x_refsource_FEDORA
https://security.gentoo.org/glsa/202105-12vendor-advisory, x_refsource_GENTOO
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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cve-2020-8793
Vulnerability from cvelistv5
Published
2020-02-25 16:22
Modified
2024-08-04 10:12
Severity ?
Summary
OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux distributions) because of a combination of an untrusted search path in makemap.c and race conditions in the offline functionality in smtpd.c.
References
https://www.openbsd.org/security.htmlx_refsource_MISC
http://www.openwall.com/lists/oss-security/2020/02/24/4mailing-list, x_refsource_MLIST
http://seclists.org/fulldisclosure/2020/Feb/28mailing-list, x_refsource_FULLDISC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/vendor-advisory, x_refsource_FEDORA
https://usn.ubuntu.com/4294-1/vendor-advisory, x_refsource_UBUNTU
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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cve-2020-8794
Vulnerability from cvelistv5
Published
2020-02-25 16:38
Modified
2024-08-04 10:12
Severity ?
Summary
OpenSMTPD before 6.6.4 allows remote code execution because of an out-of-bounds read in mta_io in mta_session.c for multi-line replies. Although this vulnerability affects the client side of OpenSMTPD, it is possible to attack a server because the server code launches the client code during bounce handling.
References
https://www.openbsd.org/security.htmlx_refsource_MISC
https://www.openwall.com/lists/oss-security/2020/02/24/5x_refsource_MISC
http://www.openwall.com/lists/oss-security/2020/02/26/1mailing-list, x_refsource_MLIST
https://www.debian.org/security/2020/dsa-4634vendor-advisory, x_refsource_DEBIAN
http://seclists.org/fulldisclosure/2020/Feb/32mailing-list, x_refsource_FULLDISC
http://www.openwall.com/lists/oss-security/2020/03/01/1mailing-list, x_refsource_MLIST
http://www.openwall.com/lists/oss-security/2020/03/01/2mailing-list, x_refsource_MLIST
http://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.htmlx_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/vendor-advisory, x_refsource_FEDORA
https://usn.ubuntu.com/4294-1/vendor-advisory, x_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2021/05/04/7mailing-list, x_refsource_MLIST
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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              "url": "https://www.openwall.com/lists/oss-security/2020/02/24/5"
            },
            {
              "name": "[oss-security] 20200226 Re: LPE and RCE in OpenSMTPD\u0027s default install (CVE-2020-8794)",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2020/02/26/1"
            },
            {
              "name": "DSA-4634",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4634"
            },
            {
              "name": "20200227 LPE and RCE in OpenSMTPD\u0027s default install (CVE-2020-8794)",
              "refsource": "FULLDISC",
              "url": "http://seclists.org/fulldisclosure/2020/Feb/32"
            },
            {
              "name": "[oss-security] 20200301 Re: LPE and RCE in OpenSMTPD\u0027s default install (CVE-2020-8794)",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2020/03/01/1"
            },
            {
              "name": "[oss-security] 20200301 Re: LPE and RCE in OpenSMTPD\u0027s default install (CVE-2020-8794)",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2020/03/01/2"
            },
            {
              "name": "http://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.html"
            },
            {
              "name": "FEDORA-2020-b92d7083ca",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/"
            },
            {
              "name": "USN-4294-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4294-1/"
            },
            {
              "name": "[oss-security] 20210504 21Nails: Multiple vulnerabilities in Exim",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/05/04/7"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-8794",
    "datePublished": "2020-02-25T16:38:07",
    "dateReserved": "2020-02-07T00:00:00",
    "dateUpdated": "2024-08-04T10:12:10.566Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Vulnerability from fkie_nvd
Published
2020-02-25 17:15
Modified
2024-11-21 05:39
Severity ?
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux distributions) because of a combination of an untrusted search path in makemap.c and race conditions in the offline functionality in smtpd.c.
References
cve@mitre.orghttp://seclists.org/fulldisclosure/2020/Feb/28Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2020/02/24/4Exploit, Mailing List, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/
cve@mitre.orghttps://usn.ubuntu.com/4294-1/Third Party Advisory
cve@mitre.orghttps://www.openbsd.org/security.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2020/Feb/28Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/02/24/4Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4294-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openbsd.org/security.htmlThird Party Advisory
Impacted products
Vendor Product Version
opensmtpd opensmtpd *
fedoraproject fedora 32
canonical ubuntu_linux 18.04
canonical ubuntu_linux 19.10


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opensmtpd:opensmtpd:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AE4076E6-F78B-421A-BFE1-35E326B88753",
              "versionEndExcluding": "6.6.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux distributions) because of a combination of an untrusted search path in makemap.c and race conditions in the offline functionality in smtpd.c."
    },
    {
      "lang": "es",
      "value": "OpenSMTPD versiones anteriores a 6.6.4, permite a usuarios locales leer archivos arbitrarios (por ejemplo, en algunas distribuciones de Linux) debido a una combinaci\u00f3n de una ruta de b\u00fasqueda no confiable en el archivo makemap.c y unas condiciones de carrera en la funcionalidad offline en el archivo smtpd.c."
    }
  ],
  "id": "CVE-2020-8793",
  "lastModified": "2024-11-21T05:39:26.980",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.7,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-02-25T17:15:13.103",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://seclists.org/fulldisclosure/2020/Feb/28"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2020/02/24/4"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/4294-1/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.openbsd.org/security.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://seclists.org/fulldisclosure/2020/Feb/28"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2020/02/24/4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/4294-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.openbsd.org/security.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        },
        {
          "lang": "en",
          "value": "CWE-426"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

Vulnerability from fkie_nvd
Published
2023-04-04 23:15
Modified
2024-11-21 07:56
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
ascii_load_sockaddr in smtpd in OpenBSD before 7.1 errata 024 and 7.2 before errata 020, and OpenSMTPD Portable before 7.0.0-portable commit f748277, can abort upon a connection from a local, scoped IPv6 address.
References
cve@mitre.orghttps://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49&r2=1.49.4.1&f=hProduct
cve@mitre.orghttps://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.50.4.1&f=hProduct
cve@mitre.orghttps://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.51&f=hProduct
cve@mitre.orghttps://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sigPatch
cve@mitre.orghttps://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sigPatch
cve@mitre.orghttps://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061fPatch
cve@mitre.orghttps://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55faePatch
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20230526-0006/
af854a3a-2127-422b-91ae-364da2661108https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49&r2=1.49.4.1&f=hProduct
af854a3a-2127-422b-91ae-364da2661108https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.50.4.1&f=hProduct
af854a3a-2127-422b-91ae-364da2661108https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.51&f=hProduct
af854a3a-2127-422b-91ae-364da2661108https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sigPatch
af854a3a-2127-422b-91ae-364da2661108https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sigPatch
af854a3a-2127-422b-91ae-364da2661108https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061fPatch
af854a3a-2127-422b-91ae-364da2661108https://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55faePatch
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230526-0006/
Impacted products
Vendor Product Version
opensmtpd opensmtpd *
openbsd openbsd 7.1
openbsd openbsd 7.2


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opensmtpd:opensmtpd:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "35EC43DF-70E4-4B31-8881-E79D09432151",
              "versionEndExcluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:openbsd:openbsd:7.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "4EDBEB9A-DA9B-4384-8C56-599ED2B8D7DC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:openbsd:openbsd:7.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "6E6EC6AC-E2DE-4166-A762-AB6A88DF1C1E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ascii_load_sockaddr in smtpd in OpenBSD before 7.1 errata 024 and 7.2 before errata 020, and OpenSMTPD Portable before 7.0.0-portable commit f748277, can abort upon a connection from a local, scoped IPv6 address."
    }
  ],
  "id": "CVE-2023-29323",
  "lastModified": "2024-11-21T07:56:51.893",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-04-04T23:15:07.347",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49\u0026r2=1.49.4.1\u0026f=h"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50\u0026r2=1.50.4.1\u0026f=h"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50\u0026r2=1.51\u0026f=h"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sig"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sig"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061f"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55fae"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://security.netapp.com/advisory/ntap-20230526-0006/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49\u0026r2=1.49.4.1\u0026f=h"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50\u0026r2=1.50.4.1\u0026f=h"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50\u0026r2=1.51\u0026f=h"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sig"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sig"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061f"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55fae"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.netapp.com/advisory/ntap-20230526-0006/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

Vulnerability from fkie_nvd
Published
2020-12-24 16:15
Modified
2024-11-21 05:27
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
smtpd/lka_filter.c in OpenSMTPD before 6.8.0p1, in certain configurations, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted pattern of client activity, because the filter state machine does not properly maintain the I/O channel between the SMTP engine and the filters layer.
References
cve@mitre.orghttps://github.com/openbsd/src/commit/6c3220444ed06b5796dedfd53a0f4becd903c0d1Patch, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/
cve@mitre.orghttps://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/Third Party Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/202105-12Third Party Advisory
cve@mitre.orghttps://www.mail-archive.com/misc%40opensmtpd.org/msg05188.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/openbsd/src/commit/6c3220444ed06b5796dedfd53a0f4becd903c0d1Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/
af854a3a-2127-422b-91ae-364da2661108https://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202105-12Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mail-archive.com/misc%40opensmtpd.org/msg05188.html
Impacted products
Vendor Product Version
opensmtpd opensmtpd *
opensmtpd opensmtpd 6.8.0
opensmtpd opensmtpd 6.8.0
fedoraproject fedora 32
fedoraproject fedora 33


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:opensmtpd:opensmtpd:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "95277BD3-1335-4B27-AE1A-61FB5C85FE60",
              "versionEndExcluding": "6.8.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:opensmtpd:opensmtpd:6.8.0:-:*:*:*:*:*:*",
              "matchCriteriaId": "65FA0447-DC89-4609-824B-ED31E56AD47D",
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            },
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              "criteria": "cpe:2.3:a:opensmtpd:opensmtpd:6.8.0:patch1-rc1:*:*:*:*:*:*",
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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
              "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
              "vulnerable": true
            }
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  ],
  "cveTags": [],
  "descriptions": [
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      "value": "smtpd/lka_filter.c in OpenSMTPD before 6.8.0p1, in certain configurations, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted pattern of client activity, because the filter state machine does not properly maintain the I/O channel between the SMTP engine and the filters layer."
    },
    {
      "lang": "es",
      "value": "El archivo smtpd/lka_filter.c en OpenSMTPD versiones anteriores a 6.8.0p1, en determinadas configuraciones, permite a atacantes remotos causar una denegaci\u00f3n de servicio (desreferencia del puntero NULL y fallo del demonio) por medio de un patr\u00f3n dise\u00f1ado de actividad del cliente, porque la m\u00e1quina de estado del filtro no mantiene apropiadamente el canal de I/O entre el motor SMTP y la capa de filtros"
    }
  ],
  "id": "CVE-2020-35680",
  "lastModified": "2024-11-21T05:27:49.970",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
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    },
    {
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    },
    {
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-476"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}

Vulnerability from fkie_nvd
Published
2020-02-25 17:15
Modified
2024-11-21 05:39
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
OpenSMTPD before 6.6.4 allows remote code execution because of an out-of-bounds read in mta_io in mta_session.c for multi-line replies. Although this vulnerability affects the client side of OpenSMTPD, it is possible to attack a server because the server code launches the client code during bounce handling.
References
cve@mitre.orghttp://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
cve@mitre.orghttp://seclists.org/fulldisclosure/2020/Feb/32Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2020/02/26/1Exploit, Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2020/03/01/1Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2020/03/01/2Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/05/04/7Exploit, Mailing List, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/
cve@mitre.orghttps://usn.ubuntu.com/4294-1/Patch, Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2020/dsa-4634Third Party Advisory
cve@mitre.orghttps://www.openbsd.org/security.htmlThird Party Advisory
cve@mitre.orghttps://www.openwall.com/lists/oss-security/2020/02/24/5Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2020/Feb/32Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/02/26/1Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/03/01/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/03/01/2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/05/04/7Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4294-1/Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4634Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openbsd.org/security.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2020/02/24/5Exploit, Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
opensmtpd opensmtpd *
canonical ubuntu_linux 18.04
canonical ubuntu_linux 19.10
fedoraproject fedora 31
fedoraproject fedora 32
debian debian_linux 9.0
debian debian_linux 10.0


To clipboard 

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    },
    {
      "lang": "es",
      "value": "OpenSMTPD versiones anteriores a 6.6.4, permite una ejecuci\u00f3n de c\u00f3digo remota debido a una lectura fuera de l\u00edmites en la funci\u00f3n mta_io en el archivo mta_session.c para respuestas multil\u00ednea. Aunque esta vulnerabilidad afecta al lado del cliente de OpenSMTPD, es posible atacar a un servidor porque el c\u00f3digo del servidor inicia el c\u00f3digo del cliente durante el manejo de saltos."
    }
  ],
  "id": "CVE-2020-8794",
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  "metrics": {
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      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/4294-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2020/dsa-4634"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://www.openbsd.org/security.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://www.openwall.com/lists/oss-security/2020/02/24/5"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

Vulnerability from fkie_nvd
Published
2020-12-24 16:15
Modified
2024-11-21 05:27
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups.
References
cve@mitre.orghttps://github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043Patch, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/
cve@mitre.orghttps://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/Third Party Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/202105-12Third Party Advisory
cve@mitre.orghttps://www.mail-archive.com/misc%40opensmtpd.org/msg05188.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/
af854a3a-2127-422b-91ae-364da2661108https://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202105-12Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mail-archive.com/misc%40opensmtpd.org/msg05188.html
Impacted products
Vendor Product Version
opensmtpd opensmtpd *
opensmtpd opensmtpd 6.8.0
opensmtpd opensmtpd 6.8.0
fedoraproject fedora 32
fedoraproject fedora 33


To clipboard 

{
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      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:opensmtpd:opensmtpd:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "95277BD3-1335-4B27-AE1A-61FB5C85FE60",
              "versionEndExcluding": "6.8.0",
              "vulnerable": true
            },
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              "matchCriteriaId": "65FA0447-DC89-4609-824B-ED31E56AD47D",
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              "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956",
              "vulnerable": true
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          ],
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  ],
  "cveTags": [],
  "descriptions": [
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    },
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      "lang": "es",
      "value": "El archivo smtpd/table.c en OpenSMTPD versiones anteriores a 6.8.0p1, carece de determinado regfree, lo que podr\u00eda permitir a atacantes activar un filtrado de memoria \"very significant\" por medio de mensajes hacia una instancia que lleva a cabo muchas b\u00fasquedas de expresiones regulares"
    }
  ],
  "id": "CVE-2020-35679",
  "lastModified": "2024-11-21T05:27:49.763",
  "metrics": {
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        "baseSeverity": "MEDIUM",
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          "version": "2.0"
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