Gentoo: GLSA-201403-02: LibYAML: Arbitrary code execution
Summary
A heap-based buffer overflow flaw was found in the way libyaml parsed YAML tags.
Resolution
All LibYAML users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libyaml-0.1.5"
References
[ 1 ] CVE-2013-6393 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6393
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201403-02
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
A Vulnerability in LibYAML could result in execution of arbitrary code.
Background
LibYAML is a YAML 1.1 parser and emitter written in C.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/libyaml < 0.1.5 >= 0.1.5
Impact
===== A remote attacker could provide a specially-crafted YAML document which when parsed by LibYAML, would cause the application to crash or, potentially, execute arbitrary code with the privileges the user who is running the application.
Workaround
There is no known workaround at this time.