1. Ubuntu Security Notices
  2. USN-2160-1

USN-2160-1: LibYAML vulnerability

Publication date

3 April 2014

Overview

LibYAML could be made to crash or run programs if it opened a specially crafted YAML document.

Releases

Packages

  • libyaml - Fast YAML 1.1 parser and emitter library

Details

Ivan Fratric discovered that LibYAML incorrectly handled certain malformed
YAML documents. An attacker could use this issue to cause LibYAML to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Ivan Fratric discovered that LibYAML incorrectly handled certain malformed
YAML documents. An attacker could use this issue to cause LibYAML to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

After a standard system update you need to restart applications using LibYAML 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-0-2 –  0.1.4-2ubuntu0.13.10.3
12.10 quantal libyaml-0-2 –  0.1.4-2ubuntu0.12.10.3
12.04 precise libyaml-0-2 –  0.1.4-2ubuntu0.12.04.3

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References

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