RHEL 6 / 7 : libyaml (RHSA-2015:0100)

This script is Copyright (C) 2015-2017 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

Updated libyaml packages that fix one security issue are now available
for Red Hat Enterprise Linux 6 and 7.

Red Hat Product Security has rated this update as having Moderate
security impact. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available from the
CVE link in the References section.

YAML is a data serialization format designed for human readability and
interaction with scripting languages. LibYAML is a YAML parser and
emitter written in C.

An assertion failure was found in the way the libyaml library parsed
wrapped strings. An attacker able to load specially crafted YAML input
into an application using libyaml could cause the application to
crash. (CVE-2014-9130)

All libyaml users are advised to upgrade to these updated packages,
which contain a backported patch to correct this issue. All running
applications linked against the libyaml library must be restarted for
this update to take effect.

See also :

https://www.redhat.com/security/data/cve/CVE-2014-9130.html
http://rhn.redhat.com/errata/RHSA-2015-0100.html

Solution :

Update the affected libyaml, libyaml-debuginfo and / or libyaml-devel
packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 3.3
(CVSS2#E:U/RL:OF/RC:UC)
Public Exploit Available : false

Family: Red Hat Local Security Checks

Nessus Plugin ID: 81069 ()

Bugtraq ID:

CVE ID: CVE-2014-9130

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