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FKIE_CVE-2007-4995

Vulnerability from fkie_nvd - Published: 2007-10-13 01:17 - Updated: 2026-06-16 22:45
Severity
Summary
Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors.
References
secalert@redhat.comhttp://bugs.gentoo.org/show_bug.cgi?id=195634
secalert@redhat.comhttp://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01299773
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2007-10/msg00006.html
secalert@redhat.comhttp://secunia.com/advisories/25878Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/27205Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/27217Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/27271Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/27363Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/27434Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/27933Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/28084Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/30161Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/30220Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/30852Vendor Advisory
secalert@redhat.comhttp://security.gentoo.org/glsa/glsa-200710-30.xml
secalert@redhat.comhttp://securitytracker.com/id?1018810
secalert@redhat.comhttp://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=738962
secalert@redhat.comhttp://www.debian.org/security/2008/dsa-1571
secalert@redhat.comhttp://www.gentoo.org/security/en/glsa/glsa-200805-07.xml
secalert@redhat.comhttp://www.mandriva.com/security/advisories?name=MDKSA-2007:237
secalert@redhat.comhttp://www.openssl.org/news/secadv_20071012.txtPatch
secalert@redhat.comhttp://www.redhat.com/support/errata/RHSA-2007-0964.htmlVendor Advisory
secalert@redhat.comhttp://www.securityfocus.com/archive/1/482167/100/0/threaded
secalert@redhat.comhttp://www.securityfocus.com/bid/26055
secalert@redhat.comhttp://www.vupen.com/english/advisories/2007/3487Vendor Advisory
secalert@redhat.comhttp://www.vupen.com/english/advisories/2007/4219Vendor Advisory
secalert@redhat.comhttp://www.vupen.com/english/advisories/2008/1937/referencesVendor Advisory
secalert@redhat.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/37185
secalert@redhat.comhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10288
secalert@redhat.comhttps://usn.ubuntu.com/534-1/
secalert@redhat.comhttps://www.redhat.com/archives/fedora-package-announce/2007-October/msg00218.html
af854a3a-2127-422b-91ae-364da2661108http://bugs.gentoo.org/show_bug.cgi?id=195634
af854a3a-2127-422b-91ae-364da2661108http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01299773
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00006.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/25878Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/27205Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/27217Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/27271Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/27363Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/27434Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/27933Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/28084Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/30161Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/30220Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/30852Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-200710-30.xml
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1018810
af854a3a-2127-422b-91ae-364da2661108http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=738962
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2008/dsa-1571
af854a3a-2127-422b-91ae-364da2661108http://www.gentoo.org/security/en/glsa/glsa-200805-07.xml
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDKSA-2007:237
af854a3a-2127-422b-91ae-364da2661108http://www.openssl.org/news/secadv_20071012.txtPatch
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2007-0964.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/482167/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/26055
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2007/3487Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2007/4219Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2008/1937/referencesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/37185
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10288
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/534-1/
af854a3a-2127-422b-91ae-364da2661108https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00218.html
Impacted products
Vendor Product Version
openssl openssl 0.9.8
openssl openssl 0.9.8a
openssl openssl 0.9.8b
openssl openssl 0.9.8c
openssl openssl 0.9.8d
openssl openssl 0.9.8e

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*",
              "matchCriteriaId": "8A4E446D-B9D3-45F2-9722-B41FA14A6C31",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*",
              "matchCriteriaId": "AF4EA988-FC80-4170-8933-7C6663731981",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*",
              "matchCriteriaId": "64F8F53B-24A1-4877-B16E-F1917C4E4E81",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:*",
              "matchCriteriaId": "75D3ACD5-905F-42BB-BE1A-8382E9D823BF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8d:*:*:*:*:*:*:*",
              "matchCriteriaId": "766EA6F2-7FA4-4713-9859-9971CCD2FDCB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8e:*:*:*:*:*:*:*",
              "matchCriteriaId": "EFBC30B7-627D-48DC-8EF0-AE8FA0C6EDBA",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Un error por un paso en la implementaci\u00f3n de DTLS en OpenSSL versiones 0.9.8 anteriores a 0.9.8f, permite a atacantes remotos ejecutar c\u00f3digo arbitrario por medio de vectores no especificados."
    }
  ],
  "id": "CVE-2007-4995",
  "lastModified": "2026-06-16T22:45:14.687",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.3,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 10.0,
        "obtainAllPrivilege": true,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2007-10-13T01:17:00.000",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://bugs.gentoo.org/show_bug.cgi?id=195634"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01299773"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00006.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/25878"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27205"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27217"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27271"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27363"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27434"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27933"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/28084"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/30161"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/30220"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/30852"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://security.gentoo.org/glsa/glsa-200710-30.xml"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://securitytracker.com/id?1018810"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL\u0026id=738962"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.debian.org/security/2008/dsa-1571"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200805-07.xml"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:237"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch"
      ],
      "url": "http://www.openssl.org/news/secadv_20071012.txt"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0964.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/archive/1/482167/100/0/threaded"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/bid/26055"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2007/3487"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2007/4219"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2008/1937/references"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/37185"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10288"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://usn.ubuntu.com/534-1/"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00218.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://bugs.gentoo.org/show_bug.cgi?id=195634"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01299773"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00006.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/25878"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27205"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27217"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27271"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27363"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27434"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/27933"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/28084"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/30161"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/30220"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/30852"
    },
    {
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      "url": "http://security.gentoo.org/glsa/glsa-200710-30.xml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://securitytracker.com/id?1018810"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL\u0026id=738962"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2008/dsa-1571"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200805-07.xml"
    },
    {
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      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:237"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.openssl.org/news/secadv_20071012.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0964.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/archive/1/482167/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/26055"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2007/3487"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2007/4219"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2008/1937/references"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/37185"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10288"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://usn.ubuntu.com/534-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00218.html"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vendorComments": [
    {
      "comment": "This issue did not affect the versions of OpenSSL as shipped with Red Hat Enterprise Linux 2.1, 3, or 4.  An update to correct this issue for Enterprise Linux 5 is available.\nhttp://rhn.redhat.com/cve/CVE-2007-4995.html\n\nPlease note that the CVE description is incorrect, this issue did not affect upstream versions of OpenSSL prior to 0.9.8.",
      "lastModified": "2007-10-24T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-189"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Tags
Taxonomy of the tags.


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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