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Ubuntu 13.04: USN-1896-1 Critical: libmodule-signature-perl Code Risk

ubuntu
Calendar Grey July 3, 2013
Scroller Ubuntu
Debian Security Advisory DSA-4567-1 refers to a libcrypto-perl vulnerability that may enable unauthorized command execution.
Module::Signature could be made to run programs if it verified a signature.

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.

Topics%20covered

Topics Covered

security advisory critical code execution Ubuntu libmodule-signature-perl

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

https://ubuntu.com/security/notices/USN-1896-1

CVE-2013-2145

Severity
critical
Lowest
Low
Medium
High
Critical

July 03, 2013

Topics%20covered

Topics Covered

security advisory critical code execution Ubuntu libmodule-signature-perl

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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