USN-7285-2: nginx vulnerability

USN-7285-2: nginx vulnerability
1 April 2025

nginx could be made to bypass client certificate authentication requirements.

Releases
Ubuntu 24.04 LTS

Packages
nginx - small, powerful, scalable web/proxy server

Details
USN-7285-1 fixed vulnerabilities in nginx.
This update provides the corresponding updates for Ubuntu 24.04 LTS.

Original advisory details:
It was discovered that nginx incorrectly handled when multiple
server blocks are configured to share the same IP address and port.
An attacker could use this issue to use session resumption to bypass
client certificate authentication requirements on these servers.

Update instructions
The problem can be corrected by updating your system to the following package versions:

Ubuntu 24.04

• nginx - 1.24.0-2ubuntu7.3
• nginx-common - 1.24.0-2ubuntu7.3
• nginx-core - 1.24.0-2ubuntu7.3
• nginx-extras - 1.24.0-2ubuntu7.3
• nginx-full - 1.24.0-2ubuntu7.3
• nginx-light - 1.24.0-2ubuntu7.3
  In general, a standard system update will make all the necessary changes.