fkie_cve-2019-3814
Vulnerability from fkie_nvd
Published
2019-03-27 13:29
Modified
2024-11-21 04:42
Severity ?
7.7 (High) - CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
6.8 (Medium) - CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Summary
It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.
References
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:3467
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814Issue Tracking, Release Notes, Third Party Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
secalert@redhat.comhttps://security.gentoo.org/glsa/201904-19
secalert@redhat.comhttps://www.dovecot.org/list/dovecot/2019-February/114575.htmlExploit, Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:3467
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814Issue Tracking, Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201904-19
af854a3a-2127-422b-91ae-364da2661108https://www.dovecot.org/list/dovecot/2019-February/114575.htmlExploit, Mailing List, Vendor Advisory
Impacted products
Vendor Product Version
dovecot dovecot *
dovecot dovecot *
canonical ubuntu_linux 12.04
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 18.10
opensuse leap 42.3


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "B7EC4FD5-8BCE-4412-B8F6-53F4DD0D6CE7",
                     versionEndExcluding: "2.2.36.1",
                     versionStartIncluding: "1.1.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "4C44A57B-1823-40EE-A24F-44144C505859",
                     versionEndExcluding: "2.3.4.1",
                     versionStartIncluding: "2.3.0",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
                     matchCriteriaId: "8D305F7A-D159-4716-AB26-5E38BB5CD991",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                     matchCriteriaId: "B5A6F2F3-4894-4392-8296-3B8DD2679084",
                     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:18.10:*:*:*:*:*:*:*",
                     matchCriteriaId: "07C312A0-CD2C-4B9C-B064-6409B25C278F",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*",
                     matchCriteriaId: "5F65DAB0-3DAD-49FF-BC73-3581CC3D5BF3",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.",
      },
      {
         lang: "es",
         value: "Se ha descubierto que Dovecot, en versiones anteriores a la 2.2.36.1 y 2.3.4.1, gestiona de manera incorrecta los certificados del cliente. Un atacante remoto en posesión de un certificado válido con un campo \"username\" vacío podría emplear este problema para suplantar a otros usuarios.",
      },
   ],
   id: "CVE-2019-3814",
   lastModified: "2024-11-21T04:42:35.823",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "MEDIUM",
               accessVector: "NETWORK",
               authentication: "SINGLE",
               availabilityImpact: "NONE",
               baseScore: 4.9,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "PARTIAL",
               vectorString: "AV:N/AC:M/Au:S/C:P/I:P/A:N",
               version: "2.0",
            },
            exploitabilityScore: 6.8,
            impactScore: 4.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV30: [
         {
            cvssData: {
               attackComplexity: "HIGH",
               attackVector: "NETWORK",
               availabilityImpact: "NONE",
               baseScore: 7.7,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "HIGH",
               scope: "CHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N",
               version: "3.0",
            },
            exploitabilityScore: 1.3,
            impactScore: 5.8,
            source: "secalert@redhat.com",
            type: "Secondary",
         },
         {
            cvssData: {
               attackComplexity: "HIGH",
               attackVector: "NETWORK",
               availabilityImpact: "NONE",
               baseScore: 6.8,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
               version: "3.0",
            },
            exploitabilityScore: 1.6,
            impactScore: 5.2,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2019-03-27T13:29:01.337",
   references: [
      {
         source: "secalert@redhat.com",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html",
      },
      {
         source: "secalert@redhat.com",
         url: "https://access.redhat.com/errata/RHSA-2019:3467",
      },
      {
         source: "secalert@redhat.com",
         tags: [
            "Issue Tracking",
            "Release Notes",
            "Third Party Advisory",
         ],
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814",
      },
      {
         source: "secalert@redhat.com",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/",
      },
      {
         source: "secalert@redhat.com",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/",
      },
      {
         source: "secalert@redhat.com",
         url: "https://security.gentoo.org/glsa/201904-19",
      },
      {
         source: "secalert@redhat.com",
         tags: [
            "Exploit",
            "Mailing List",
            "Vendor Advisory",
         ],
         url: "https://www.dovecot.org/list/dovecot/2019-February/114575.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://access.redhat.com/errata/RHSA-2019:3467",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Issue Tracking",
            "Release Notes",
            "Third Party Advisory",
         ],
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://security.gentoo.org/glsa/201904-19",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Exploit",
            "Mailing List",
            "Vendor Advisory",
         ],
         url: "https://www.dovecot.org/list/dovecot/2019-February/114575.html",
      },
   ],
   sourceIdentifier: "secalert@redhat.com",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-295",
            },
         ],
         source: "secalert@redhat.com",
         type: "Secondary",
      },
      {
         description: [
            {
               lang: "en",
               value: "CWE-295",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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