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GLSA-201409-08 : libxml2: Denial of Service

medium Nessus Plugin ID 77776

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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-201409-08 (libxml2: Denial of Service)

 A vulnerability in the xmlParserHandlePEReference() function of parser.c, when expanding entity references, can be exploited to consume large amounts of memory and cause a crash or hang.
 Impact :

 A remote attacker may be able to cause Denial of Service via a specially crafted XML file containing malicious attributes.
 Workaround :

 There is no known workaround at this time.

Solution

All libxml2 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=dev-libs/libxml2-2.9.1-r4'

See Also

https://security.gentoo.org/glsa/201409-08

Plugin Details

Severity: Medium

ID: 77776

File Name: gentoo_GLSA-201409-08.nasl

Version: 1.8

Type: local

Published: 9/22/2014

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.7

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:libxml2, 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: 9/19/2014

Reference Information

CVE: CVE-2014-0191

BID: 67233

GLSA: 201409-08