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

medium Nessus Plugin ID 81069

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.

Solution

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

See Also

https://access.redhat.com/errata/RHSA-2015:0100

https://access.redhat.com/security/cve/cve-2014-9130

Plugin Details

Severity: Medium

ID: 81069

File Name: redhat-RHSA-2015-0100.nasl

Version: 1.12

Type: local

Agent: unix

Published: 1/29/2015

Updated: 10/24/2019

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7.5, cpe:/o:redhat:enterprise_linux:7.6, cpe:/o:redhat:enterprise_linux:7.7, p-cpe:/a:redhat:enterprise_linux:libyaml, p-cpe:/a:redhat:enterprise_linux:libyaml-debuginfo, p-cpe:/a:redhat:enterprise_linux:libyaml-devel, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:6.6, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7.3, cpe:/o:redhat:enterprise_linux:7.4

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 1/28/2015

Vulnerability Publication Date: 12/8/2014

Reference Information

CVE: CVE-2014-9130

RHSA: 2015:0100