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CVE-2020-12673

Published: 12 August 2020

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.

Notes

AuthorNote
leosilva 
marking precise as ignored since we won't fix it
version in that release is quite old and the backports
could possibly cause serious regressions.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
dovecot
Launchpad, Ubuntu, Debian 		bionic
Released (1:2.2.33.2-1ubuntu4.6)
focal
Released (1:2.3.7.2-1ubuntu3.2)
trusty
Released (1:2.2.9-1ubuntu2.6+esm3)
upstream
Released (2.3.11)
xenial
Released (1:2.2.22-1ubuntu2.13)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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