Vulnerability-Lookup

FKIE_CVE-2020-12673

Vulnerability from fkie_nvd - Published: 2020-08-12 16:15 - Updated: 2026-06-17 02:52

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

URL	Tags
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html	Broken Link
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html	Broken Link
cve@mitre.org	https://dovecot.org/security	Vendor Advisory
cve@mitre.org	https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html	Third Party Advisory
cve@mitre.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/
cve@mitre.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/
cve@mitre.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/
cve@mitre.org	https://security.gentoo.org/glsa/202009-02	Third Party Advisory
cve@mitre.org	https://usn.ubuntu.com/4456-1/	Third Party Advisory
cve@mitre.org	https://usn.ubuntu.com/4456-2/	Third Party Advisory
cve@mitre.org	https://www.debian.org/security/2020/dsa-4745	Third Party Advisory
cve@mitre.org	https://www.openwall.com/lists/oss-security/2020/08/12/2	Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html	Broken Link
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html	Broken Link
af854a3a-2127-422b-91ae-364da2661108	https://dovecot.org/security	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/
af854a3a-2127-422b-91ae-364da2661108	https://security.gentoo.org/glsa/202009-02	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://usn.ubuntu.com/4456-1/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://usn.ubuntu.com/4456-2/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.debian.org/security/2020/dsa-4745	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.openwall.com/lists/oss-security/2020/08/12/2	Exploit, 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

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "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 env\u00edo de una petici\u00f3n NTLM con formato especial bloquear\u00e1 el servicio auth debido a una lectura fuera de l\u00edmites"
    }
  ],
  "id": "CVE-2020-12673",
  "lastModified": "2026-06-17T02:52:06.830",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "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": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/4456-2/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2020/dsa-4745"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://www.openwall.com/lists/oss-security/2020/08/12/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://dovecot.org/security"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202009-02"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/4456-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/4456-2/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2020/dsa-4745"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://www.openwall.com/lists/oss-security/2020/08/12/2"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-12673 (GCVE-0-2020-12673)

Vulnerability from cvelistv5 – Published: 2020-08-12 15:18 – Updated: 2024-08-04 12:04

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.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

12 references

URL	Tags
https://dovecot.org/security	x_refsource_MISC
https://www.openwall.com/lists/oss-security/2020/…	x_refsource_CONFIRM
https://www.debian.org/security/2020/dsa-4745	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4456-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4456-2/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/202009-02	vendor-advisoryx_refsource_GENTOO
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:04:22.551Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://dovecot.org/security"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2020/08/12/2"
          },
          {
            "name": "DSA-4745",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4745"
          },
          {
            "name": "[debian-lts-announce] 20200815 [SECURITY] [DLA 2328-1] dovecot security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html"
          },
          {
            "name": "USN-4456-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4456-1/"
          },
          {
            "name": "USN-4456-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4456-2/"
          },
          {
            "name": "openSUSE-SU-2020:1241",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html"
          },
          {
            "name": "openSUSE-SU-2020:1262",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html"
          },
          {
            "name": "FEDORA-2020-cd8b8f887b",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/"
          },
          {
            "name": "GLSA-202009-02",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202009-02"
          },
          {
            "name": "FEDORA-2020-b8ebc4201e",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/"
          },
          {
            "name": "FEDORA-2020-d737c57172",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-10-13T21:06:10.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://dovecot.org/security"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.openwall.com/lists/oss-security/2020/08/12/2"
        },
        {
          "name": "DSA-4745",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4745"
        },
        {
          "name": "[debian-lts-announce] 20200815 [SECURITY] [DLA 2328-1] dovecot security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html"
        },
        {
          "name": "USN-4456-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4456-1/"
        },
        {
          "name": "USN-4456-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4456-2/"
        },
        {
          "name": "openSUSE-SU-2020:1241",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html"
        },
        {
          "name": "openSUSE-SU-2020:1262",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html"
        },
        {
          "name": "FEDORA-2020-cd8b8f887b",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/"
        },
        {
          "name": "GLSA-202009-02",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202009-02"
        },
        {
          "name": "FEDORA-2020-b8ebc4201e",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/"
        },
        {
          "name": "FEDORA-2020-d737c57172",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-12673",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://dovecot.org/security",
              "refsource": "MISC",
              "url": "https://dovecot.org/security"
            },
            {
              "name": "https://www.openwall.com/lists/oss-security/2020/08/12/2",
              "refsource": "CONFIRM",
              "url": "https://www.openwall.com/lists/oss-security/2020/08/12/2"
            },
            {
              "name": "DSA-4745",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4745"
            },
            {
              "name": "[debian-lts-announce] 20200815 [SECURITY] [DLA 2328-1] dovecot security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html"
            },
            {
              "name": "USN-4456-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4456-1/"
            },
            {
              "name": "USN-4456-2",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4456-2/"
            },
            {
              "name": "openSUSE-SU-2020:1241",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html"
            },
            {
              "name": "openSUSE-SU-2020:1262",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html"
            },
            {
              "name": "FEDORA-2020-cd8b8f887b",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/"
            },
            {
              "name": "GLSA-202009-02",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202009-02"
            },
            {
              "name": "FEDORA-2020-b8ebc4201e",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/"
            },
            {
              "name": "FEDORA-2020-d737c57172",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-12673",
    "datePublished": "2020-08-12T15:18:13.000Z",
    "dateReserved": "2020-05-06T00:00:00.000Z",
    "dateUpdated": "2024-08-04T12:04:22.551Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

FKIE_CVE-2020-12673

CVE-2020-12673 (GCVE-0-2020-12673)

Tags

Sightings

Nomenclature

Related by attack behaviour