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GLSA-201403-02 : LibYAML: Arbitrary code execution

medium Nessus Plugin ID 72894

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201403-02 (LibYAML: Arbitrary code execution)

 A heap-based buffer overflow flaw was found in the way libyaml parsed YAML tags.
 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.

Solution

All LibYAML users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=dev-libs/libyaml-0.1.5'

See Also

https://security.gentoo.org/glsa/201403-02

Plugin Details

Severity: Medium

ID: 72894

File Name: gentoo_GLSA-201403-02.nasl

Version: 1.7

Type: local

Published: 3/10/2014

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.8

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:libyaml, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/8/2014

Reference Information

CVE: CVE-2013-6393

BID: 65258

GLSA: 201403-02