GLSA-201009-07 : libxml2: Denial of Service

This script is Copyright (C) 2010-2016 Tenable Network Security, Inc.

Synopsis :

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

Description :

The remote host is affected by the vulnerability described in GLSA-201009-07
(libxml2: Denial of Service)

The following vulnerabilities were reported after a test with the
Codenomicon XML fuzzing framework:
Two use-after-free vulnerabilities are possible when parsing a XML file
with Notation or Enumeration attribute types (CVE-2009-2416).
A stack consumption vulnerability can be triggered via a large depth of
element declarations in a DTD, related to a function recursion

Impact :

A remote attacker could entice a user or automated system to open a
specially crafted XML document with an application using libxml2
resulting in a Denial of Service condition.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All libxml2 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=dev-libs/libxml2-2.7.3-r2'
NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since August 30, 2009. It is likely that your system is
already no longer affected by this issue.

Risk factor :

Medium / CVSS Base Score : 4.3
CVSS Temporal Score : 3.7
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 49636 (gentoo_GLSA-201009-07.nasl)

Bugtraq ID: 36010

CVE ID: CVE-2009-2414

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