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VULNERABILITIES

CVE-2020-12673 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html CVEBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html CVEBroken Link
https://dovecot.org/security CVEVendor Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html CVEThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/ CVE

see all 24 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-125Out-of-bounds Read[email protected]

Affected Products

ProductVersions
dovecot dovecot
< 2.3.11.3

CPE

  • cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
9.0
10.0

CPE

  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
canonical ubuntu linux
14.04
16.04
18.04
20.04

CPE

  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
31
32
33

CPE

  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

18 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-12673
NVD Published Date:
Aug 12, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-12673 Details - Not Deferred