gsd-2019-3814
Vulnerability from gsd
Modified
2023-12-13 01:24
Details
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.
Aliases
Aliases
CVE-2019-3814


To clipboard 

{
   GSD: {
      alias: "CVE-2019-3814",
      description: "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.",
      id: "GSD-2019-3814",
      references: [
         "https://www.suse.com/security/cve/CVE-2019-3814.html",
         "https://www.debian.org/security/2019/dsa-4385",
         "https://access.redhat.com/errata/RHSA-2020:1062",
         "https://access.redhat.com/errata/RHSA-2019:3467",
         "https://ubuntu.com/security/CVE-2019-3814",
         "https://advisories.mageia.org/CVE-2019-3814.html",
         "https://security.archlinux.org/CVE-2019-3814",
         "https://alas.aws.amazon.com/cve/html/CVE-2019-3814.html",
         "https://linux.oracle.com/cve/CVE-2019-3814.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2019-3814",
         ],
         details: "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.",
         id: "GSD-2019-3814",
         modified: "2023-12-13T01:24:04.790511Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "secalert@redhat.com",
            ID: "CVE-2019-3814",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "dovecot",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "2.2.36.1",
                                    },
                                    {
                                       version_value: "2.3.4.1",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "dovecot",
                  },
               ],
            },
         },
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  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.",
               },
            ],
         },
         impact: {
            cvss: [
               [
                  {
                     vectorString: "7.7/CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N",
                     version: "3.0",
                  },
               ],
            ],
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "CWE-295",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://www.dovecot.org/list/dovecot/2019-February/114575.html",
                  refsource: "MISC",
                  url: "https://www.dovecot.org/list/dovecot/2019-February/114575.html",
               },
               {
                  name: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814",
                  refsource: "CONFIRM",
                  url: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814",
               },
               {
                  name: "openSUSE-SU-2019:1220",
                  refsource: "SUSE",
                  url: "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html",
               },
               {
                  name: "GLSA-201904-19",
                  refsource: "GENTOO",
                  url: "https://security.gentoo.org/glsa/201904-19",
               },
               {
                  name: "FEDORA-2019-9e004decea",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/",
               },
               {
                  name: "FEDORA-2019-1b61a528dd",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/",
               },
               {
                  name: "RHSA-2019:3467",
                  refsource: "REDHAT",
                  url: "https://access.redhat.com/errata/RHSA-2019:3467",
               },
            ],
         },
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "2.2.36.1",
                        versionStartIncluding: "1.1.0",
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "2.3.4.1",
                        versionStartIncluding: "2.3.0",
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "secalert@redhat.com",
               ID: "CVE-2019-3814",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     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.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-295",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://www.dovecot.org/list/dovecot/2019-February/114575.html",
                     refsource: "MISC",
                     tags: [
                        "Exploit",
                        "Mailing List",
                        "Vendor Advisory",
                     ],
                     url: "https://www.dovecot.org/list/dovecot/2019-February/114575.html",
                  },
                  {
                     name: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814",
                     refsource: "CONFIRM",
                     tags: [
                        "Issue Tracking",
                        "Release Notes",
                        "Third Party Advisory",
                     ],
                     url: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814",
                  },
                  {
                     name: "openSUSE-SU-2019:1220",
                     refsource: "SUSE",
                     tags: [
                        "Mailing List",
                        "Third Party Advisory",
                     ],
                     url: "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html",
                  },
                  {
                     name: "GLSA-201904-19",
                     refsource: "GENTOO",
                     tags: [],
                     url: "https://security.gentoo.org/glsa/201904-19",
                  },
                  {
                     name: "FEDORA-2019-9e004decea",
                     refsource: "FEDORA",
                     tags: [],
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/",
                  },
                  {
                     name: "FEDORA-2019-1b61a528dd",
                     refsource: "FEDORA",
                     tags: [],
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/",
                  },
                  {
                     name: "RHSA-2019:3467",
                     refsource: "REDHAT",
                     tags: [],
                     url: "https://access.redhat.com/errata/RHSA-2019:3467",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  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,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  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,
            },
         },
         lastModifiedDate: "2019-06-14T03:29Z",
         publishedDate: "2019-03-27T13:29Z",
      },
   },
}


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