==========================================================================
Ubuntu Security Notice USN-2461-1
January 12, 2015
libyaml vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.10
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS
Summary:
Applications using LibYAML could be made to crash if they received
specially crafted input.
Software Description:
– libyaml: Fast YAML 1.1 parser and emitter library
Details:
Stanisław Pitucha and Jonathan Gray discovered that LibYAML did not
properly handle wrapped strings. An attacker could create specially
crafted YAML data to trigger an assert, causing a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.10:
libyaml-0-2 0.1.6-1ubuntu0.1
Ubuntu 14.04 LTS:
libyaml-0-2 0.1.4-3ubuntu3.1
Ubuntu 12.04 LTS:
libyaml-0-2 0.1.4-2ubuntu0.12.04.4
After a standard system update you need to restart applications using
LibYAML to make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2461-1
CVE-2014-9130
Package Information:
https://launchpad.net/ubuntu/+source/libyaml/0.1.6-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libyaml/0.1.4-3ubuntu3.1
https://launchpad.net/ubuntu/+source/libyaml/0.1.4-2ubuntu0.12.04.4
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