[USN-1896-1] Module::Signature perl module vulnerability
Marc Deslauriers
marc.deslauriers at canonical.com
Wed Jul 3 13:05:17 UTC 2013
==========================================================================
Ubuntu Security Notice USN-1896-1
July 03, 2013
libmodule-signature-perl vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS
Summary:
Module::Signature could be made to run programs if it verified a signature.
Software Description:
- libmodule-signature-perl: module to manipulate CPAN SIGNATURE files
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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 13.04:
libmodule-signature-perl 0.68-1ubuntu0.13.04.1
Ubuntu 12.10:
libmodule-signature-perl 0.68-1ubuntu0.12.10.1
Ubuntu 12.04 LTS:
libmodule-signature-perl 0.68-1ubuntu0.12.04.1
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1896-1
CVE-2013-2145
Package Information:
https://launchpad.net/ubuntu/+source/libmodule-signature-perl/0.68-1ubuntu0.13.04.1
https://launchpad.net/ubuntu/+source/libmodule-signature-perl/0.68-1ubuntu0.12.10.1
https://launchpad.net/ubuntu/+source/libmodule-signature-perl/0.68-1ubuntu0.12.04.1
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