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Ubuntu 12.04 LTS: 2161-1 Critical: libyaml-libyaml-perl DoS Risk

ubuntu
Calendar Grey April 3, 2014
Scroller Ubuntu
Recent findings reveal vulnerabilities in the libyaml-libyaml-perl package, mainly linked to a Denial of Service (DoS) threat and arbitrary code execution risks
libyaml-libyaml-perl could be made to crash or run programs if it opened a specially crafted YAML file.

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)

Topics%20covered

Topics Covered

security advisory denial of service critical code execution libyaml-libyaml-perl

Update Instructions

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

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

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

References

https://ubuntu.com/security/notices/USN-2161-1

CVE-2013-6393, CVE-2014-2525

Severity
critical
Lowest
Low
Medium
High
Critical

April 03, 2014

Topics%20covered

Topics Covered

security advisory denial of service critical code execution libyaml-libyaml-perl

Package Information

https://launchpad.net/ubuntu/+source/libyaml-libyaml-perl/0.38-3ubuntu0.13.10.1
https://launchpad.net/ubuntu/+source/libyaml-libyaml-perl/0.38-3ubuntu0.12.10.1
https://launchpad.net/ubuntu/+source/libyaml-libyaml-perl/0.38-2ubuntu0.1

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