Executables compressed by bzexe could be made to run programs as your login.
vladz discovered that executables compressed by bzexe insecurely create temporary files when they are ran. A local attacker could exploit this issue to execute arbitrary code as the user running a compressed executable.
14 December 2011
A security issue affects these releases of Ubuntu and its derivatives:
Executables compressed by bzexe could be made to run programs as your login.
vladz discovered that executables compressed by bzexe insecurely create temporary files when they are ran. A local attacker could exploit this issue to execute arbitrary code as the user running a compressed executable.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes to the bzexe utility. If you have previously used bzexe to compress any executables, they need to be recompressed using the updated version.
Vulmon