1. Ubuntu Security Notices
  2. USN-2161-1

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

Publication date

3 April 2014

Overview

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

Releases

Packages

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)

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

After a standard system update you need to restart applications using libyaml-libyaml-perl to 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
13.10 saucy libyaml-libyaml-perl –  0.38-3ubuntu0.13.10.1
12.10 quantal libyaml-libyaml-perl –  0.38-3ubuntu0.12.10.1
12.04 precise libyaml-libyaml-perl –  0.38-2ubuntu0.1

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 ›