USN-2878-1: Perl vulnerability

21 January 2016

perl vulnerability

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

  • Ubuntu 15.10
  • Ubuntu 15.04

Summary

Perl incorrectly handled the taint attribute.

Software Description

  • perl - Practical Extraction and Report Language

Details

David Golden discovered that the canonpath function in the Perl File::Spec module did not properly preserve the taint attribute. An attacker could possibly use this issue to bypass the taint protection mechanism.

Update instructions

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

Ubuntu 15.10
perl - 5.20.2-6ubuntu0.1
Ubuntu 15.04
perl - 5.20.2-2ubuntu0.1

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.

References