Ubuntu Security Notice USN-1543-1
20th August, 2012
libconfig-inifiles-perl vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
Summary
Config-IniFiles could be made to overwrite arbitrary files.
Software description
- libconfig-inifiles-perl - Perl module for working with INI configuration files
Details
It was discovered that the perl Config::IniFiles module created temporary
files in an unsafe manner. A local user with write access to the directory
containing a configuration file that Config-IniFiles manipulates could
exploit this to overwrite arbitrary files.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 12.04 LTS:
- libconfig-inifiles-perl 2.68-1ubuntu0.12.04.1
- Ubuntu 11.10:
- libconfig-inifiles-perl 2.68-1ubuntu0.11.10.1
- Ubuntu 11.04:
- libconfig-inifiles-perl 2.58-1ubuntu0.1
- Ubuntu 10.04 LTS:
- libconfig-inifiles-perl 2.52-1ubuntu0.1
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.