SB2024070515 - IP allow-lists bypass in Traefik



SB2024070515 - IP allow-lists bypass in Traefik

Published: July 5, 2024

Security Bulletin ID SB2024070515
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) Security features bypass (CVE-ID: CVE-2024-39321)

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

The vulnerability exists due to improper input validation when handling HTTP/3 early data requests in QUIC 0-RTT handshakes. A remote attacker can spoof the original IP address and bypass IP allow-lists.


Remediation

Install update from vendor's website.