USN-2878-1: Perl vulnerability

Publication date

21 January 2016

Overview

Perl incorrectly handled the taint attribute.


Packages

  • 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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
15.10 wily perl –  5.20.2-6ubuntu0.1
15.04 vivid perl –  5.20.2-2ubuntu0.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


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