Debian Security Advisory DSA 3029-1 (nginx - security update)

Summary
Antoine Delignat-Lavaud and Karthikeyan Bhargavan discovered that it was possible to reuse cached SSL sessions in unrelated contexts, allowing virtual host confusion attacks in some configurations by an attacker in a privileged network position.
Solution
For the stable distribution (wheezy), this problem has been fixed in version 1.2.1-2.2+wheezy3. For the testing distribution (jessie), this problem has been fixed in version 1.6.2-1. For the unstable distribution (sid), this problem has been fixed in version 1.6.2-1. We recommend that you upgrade your nginx packages.
Insight
Nginx ('engine X') is a high-performance web and reverse proxy server created by Igor Sysoev. It can be used both as a standalone web server and as a proxy to reduce the load on back-end HTTP or mail servers.
Affected
nginx on Debian Linux
Detection
This check tests the installed software version using the apt package manager.
References