SB2024012916 - Ubuntu update for exim4



SB2024012916 - Ubuntu update for exim4

Published: January 29, 2024

Security Bulletin ID SB2024012916
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Command Injection (CVE-ID: CVE-2023-51766)

The vulnerability allows a remote attacker to spoof email messages.

The vulnerability exists due to an error when handling line endings other than <CR><LF>. A remote attacker can spoof contents of email message and bypass SPF protection mechanism.

Remediation

Install update from vendor's website.