[USN-1770-1] Perl vulnerability

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==========================================================================
Ubuntu Security Notice USN-1770-1
March 19, 2013

perl vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS

Summary:

Perl could be made to stop responding if it received specially crafted
input.

Software Description:
- perl: Practical Extraction and Report Language

Details:

Yves Orton discovered that Perl incorrectly handled hashing when using
user-provided hash keys. An attacker could use this flaw to perform a
denial of service attack against software written in Perl.

Update instructions:

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

Ubuntu 12.10:
perl 5.14.2-13ubuntu0.2

Ubuntu 12.04 LTS:
perl 5.14.2-6ubuntu2.3

Ubuntu 11.10:
perl 5.12.4-4ubuntu0.2

Ubuntu 10.04 LTS:
perl 5.10.1-8ubuntu2.3

Ubuntu 8.04 LTS:
perl 5.8.8-12ubuntu0.8

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

References:
http://www.ubuntu.com/usn/usn-1770-1
CVE-2013-1667

Package Information:
https://launchpad.net/ubuntu/+source/perl/5.14.2-13ubuntu0.2
https://launchpad.net/ubuntu/+source/perl/5.14.2-6ubuntu2.3
https://launchpad.net/ubuntu/+source/perl/5.12.4-4ubuntu0.2
https://launchpad.net/ubuntu/+source/perl/5.10.1-8ubuntu2.3
https://launchpad.net/ubuntu/+source/perl/5.8.8-12ubuntu0.8