USN-2161-1: libyaml-libyaml-perl vulnerabilities

Ubuntu Security Notice USN-2161-1

3rd April, 2014

libyaml-libyaml-perl vulnerabilities

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

• Ubuntu 13.10


• Ubuntu 12.10


• Ubuntu 12.04 LTS

Summary

libyaml-libyaml-perl could be made to crash or run programs if it opened a specially crafted YAML file.

Software description

• libyaml-libyaml-perl - Perl interface to libyaml, a YAML implementation

Details

Florian Weimer discovered that libyaml-libyaml-perl incorrectly handled

certain large YAML documents. An attacker could use this issue to cause

libyaml-libyaml-perl to crash, resulting in a denial of service, or

possibly execute arbitrary code. (CVE-2013-6393)

Ivan Fratric discovered that libyaml-libyaml-perl incorrectly handled

certain malformed YAML documents. An attacker could use this issue to cause

libyaml-libyaml-perl to crash, resulting in a denial of service, or

possibly execute arbitrary code. (CVE-2014-2525)

Update instructions

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

Ubuntu 13.10:

libyaml-libyaml-perl 0.38-3ubuntu0.13.10.1

Ubuntu 12.10:

libyaml-libyaml-perl 0.38-3ubuntu0.12.10.1

Ubuntu 12.04 LTS:

libyaml-libyaml-perl 0.38-2ubuntu0.1

To update your system, please follow these instructions: http://bit.ly/1aJDvTw.

After a standard system update you need to restart applications using

libyaml-libyaml-perl to make all the necessary changes.

References

CVE-2013-6393, CVE-2014-2525

via Ubuntu Security Notices http://bit.ly/1pWHip1