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CVE-2020-1931

Published: 30 January 2020

A command execution issue was found in Apache SpamAssassin prior to 3.4.3. Carefully crafted nefarious Configuration (.cf) files can be configured to run system commands similar to CVE-2018-11805. This issue is less stealthy and attempts to exploit the issue will throw warnings. Thanks to Damian Lukowski at credativ for reporting the issue ethically. With this bug unpatched, exploits can be injected in a number of scenarios though doing so remotely is difficult. In addition to upgrading to SA 3.4.4, we again recommend that users should only use update channels or 3rd party .cf files from trusted places.

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
spamassassin
Launchpad, Ubuntu, Debian
bionic
Released (3.4.2-0ubuntu0.18.04.3)
eoan
Released (3.4.2-1ubuntu0.19.10.2)
trusty
Released (3.4.2-0ubuntu0.14.04.1+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (3.4.4~rc1-1)
xenial
Released (3.4.2-0ubuntu0.16.04.3)

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H