Ubuntu 12.04 LTS Advisory 1543-1 Critical: Config-IniFiles Local Exploit

ubuntu

August 21, 2012

Config-IniFiles could be made to overwrite arbitrary files.

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.

Topics Covered

security advisory critical file overwrite local exploit ubuntu libconfig-inifiles-perl

Update Instructions

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

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

In general, a standard system update will make all the necessary changes.