SB2024070515 - IP allow-lists bypass in Traefik
Published: July 5, 2024
Breakdown by Severity
- 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.