fkie_cve-2021-33910
Vulnerability from fkie_nvd
Published
2021-07-20 19:15
Modified
2024-11-21 06:09
Summary
basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.
References
cve@mitre.orghttp://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.htmlExploit, Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/08/04/2Mailing List, Patch, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/08/17/3Mailing List, Patch, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/09/07/3Mailing List, Patch, Third Party Advisory
cve@mitre.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
cve@mitre.orghttps://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733bPatch, Third Party Advisory
cve@mitre.orghttps://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136cePatch, Third Party Advisory
cve@mitre.orghttps://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538Patch, Third Party Advisory
cve@mitre.orghttps://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61Patch, Third Party Advisory
cve@mitre.orghttps://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896bPatch, Third Party Advisory
cve@mitre.orghttps://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9Patch, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
cve@mitre.orghttps://security.gentoo.org/glsa/202107-48Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20211104-0008/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2021/dsa-4942Third Party Advisory
cve@mitre.orghttps://www.openwall.com/lists/oss-security/2021/07/20/2Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/08/04/2Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/08/17/3Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/09/07/3Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733bPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136cePatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896bPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202107-48Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20211104-0008/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4942Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2021/07/20/2Exploit, Mailing List, Third Party Advisory



{
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              "matchCriteriaId": "6FA89DC5-B340-4ADD-ABEF-81128C99847E",
              "versionEndExcluding": "246.15",
              "vulnerable": true
            },
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              "versionEndExcluding": "247.8",
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              "versionEndExcluding": "249.1",
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              "vulnerable": true
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              "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash."
    },
    {
      "lang": "es",
      "value": "basic/unit-name.c en systemd anterior a las versiones 246.15, 247.8, 248.5 y 249.1 tiene una asignaci\u00f3n de memoria con un valor de tama\u00f1o excesivo (que involucra a strdupa y alloca para un nombre de ruta controlado por un atacante local) que resulta en una ca\u00edda del sistema operativo"
    }
  ],
  "id": "CVE-2021-33910",
  "lastModified": "2024-11-21T06:09:45.593",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
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  "published": "2021-07-20T19:15:09.783",
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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