fkie_cve-2020-12673
Vulnerability from fkie_nvd
Published
2020-08-12 16:15
Modified
2024-11-21 05:00
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.htmlBroken Link
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.htmlBroken Link
cve@mitre.orghttps://dovecot.org/securityVendor Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/08/msg00024.htmlThird Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/
cve@mitre.orghttps://security.gentoo.org/glsa/202009-02Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4456-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4456-2/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2020/dsa-4745Third Party Advisory
cve@mitre.orghttps://www.openwall.com/lists/oss-security/2020/08/12/2Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108https://dovecot.org/securityVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/08/msg00024.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202009-02Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4456-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4456-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4745Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2020/08/12/2Exploit, Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
dovecot dovecot *
debian debian_linux 9.0
debian debian_linux 10.0
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 20.04
fedoraproject fedora 31
fedoraproject fedora 32
fedoraproject fedora 33


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "346B659D-F8B1-43E5-A50E-2FC6ED1F6536",
                     versionEndExcluding: "2.3.11.3",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                     matchCriteriaId: "DEECE5FC-CACF-4496-A3E7-164736409252",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                     matchCriteriaId: "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
                     matchCriteriaId: "815D70A8-47D3-459C-A32C-9FEACA0659D1",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                     matchCriteriaId: "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
                     vulnerable: true,
                  },
                  {
                     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:20.04:*:*:*:lts:*:*:*",
                     matchCriteriaId: "902B8056-9E37-443B-8905-8AA93E2447FB",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
                     matchCriteriaId: "80F0FA5D-8D3B-4C0E-81E2-87998286AF33",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
                     matchCriteriaId: "36D96259-24BD-44E2-96D9-78CE1D41F956",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                     matchCriteriaId: "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read.",
      },
      {
         lang: "es",
         value: "En Dovecot versiones anteriores a 2.3.11.3, el envío de una petición NTLM con formato especial bloqueará el servicio auth debido a una lectura fuera de límites",
      },
   ],
   id: "CVE-2020-12673",
   lastModified: "2024-11-21T05:00:02.653",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 5,
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:L/Au:N/C:N/I:N/A:P",
               version: "2.0",
            },
            exploitabilityScore: 10,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 7.5,
               baseSeverity: "HIGH",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2020-08-12T16:15:11.823",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Broken Link",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Broken Link",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://dovecot.org/security",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html",
      },
      {
         source: "cve@mitre.org",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/",
      },
      {
         source: "cve@mitre.org",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/",
      },
      {
         source: "cve@mitre.org",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.gentoo.org/glsa/202009-02",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://usn.ubuntu.com/4456-1/",
      },
      {
         source: "cve@mitre.org",
         tags: [
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         url: "https://usn.ubuntu.com/4456-2/",
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      {
         source: "cve@mitre.org",
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         url: "https://www.debian.org/security/2020/dsa-4745",
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      {
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         tags: [
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            "Mailing List",
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         url: "https://www.openwall.com/lists/oss-security/2020/08/12/2",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
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      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
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      },
      {
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         url: "https://dovecot.org/security",
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         source: "af854a3a-2127-422b-91ae-364da2661108",
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      },
      {
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         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/",
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         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
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         url: "https://www.openwall.com/lists/oss-security/2020/08/12/2",
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   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-125",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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