1. Ubuntu Security Notices
  2. USN-1896-1

USN-1896-1: Module::Signature perl module vulnerability

Publication date

3 July 2013

Overview

Module::Signature could be made to run programs if it verified a signature.

Releases

Packages

Details

Florian Weimer discovered that the Module::Signature perl module
incorrectly loaded unknown ciphers from relative directories. An attacker
could possibly use this flaw to execute arbitrary code when a signature is
verified.

Florian Weimer discovered that the Module::Signature perl module
incorrectly loaded unknown ciphers from relative directories. An attacker
could possibly use this flaw to execute arbitrary code when a signature is
verified.

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
13.04 raring libmodule-signature-perl –  0.68-1ubuntu0.13.04.1
12.10 quantal libmodule-signature-perl –  0.68-1ubuntu0.12.10.1
12.04 precise libmodule-signature-perl –  0.68-1ubuntu0.12.04.1

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.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›