Ubuntu Security Notice USN-2878-1
21st 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 version:
- 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.