USN-2099-1: Perl vulnerability

5 February 2014

perl vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.10
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

Summary

Perl could be made to run programs if it processed a specially crafted Locale::Maketext templates.

Software Description

  • perl - Practical Extraction and Report Language

Details

It was discovered that Perl’s Locale::Maketext module incorrectly handled backslashes and fully qualified method names. An attacker could possibly use this flaw to execute arbitrary code when an application used untrusted templates.

Update instructions

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

Ubuntu 12.10
perl-modules - 5.14.2-13ubuntu0.3
Ubuntu 12.04 LTS
perl-modules - 5.14.2-6ubuntu2.4
Ubuntu 10.04 LTS
perl-modules - 5.10.1-8ubuntu2.4

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.

References