SB2024031512 - Fedora 39 update for amavis



SB2024031512 - Fedora 39 update for amavis

Published: March 15, 2024

Security Bulletin ID SB2024031512
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Protection Mechanism Failure (CVE-ID: CVE-2024-28054)

CWE-ID: CWE-693 - Protection Mechanism Failure

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Amber


The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to the way Amavis handles emails consisting of multiple parts (`Content-Type: multipart/*`). A remote attacker can create a specially crafted email message that can bypass antivirus scan and deliver potentially dangerous attachments to the end users.


Remediation

Install update from vendor's website.