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

03 April 2014

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

Releases

Packages

  • 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 versions:

Ubuntu 13.10
Ubuntu 12.10
Ubuntu 12.04

After a standard system update you need to restart applications using
libyaml-libyaml-perl to make all the necessary changes.

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