Ubuntu 6.06 LTS / 7.10 / 8.04 LTS / 8.10 : libxml2 vulnerabilities (USN-673-1)

Ubuntu Security Notice (C) 2008-2016 Canonical, Inc. / NASL script (C) 2009-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

Drew Yao discovered that libxml2 did not correctly handle certain
corrupt XML documents. If a user or automated system were tricked into
processing a malicious XML document, a remote attacker could cause
applications linked against libxml2 to enter an infinite loop, leading
to a denial of service. (CVE-2008-4225)

Drew Yao discovered that libxml2 did not correctly handle large memory
allocations. If a user or automated system were tricked into
processing a very large XML document, a remote attacker could cause
applications linked against libxml2 to crash, leading to a denial of
service. (CVE-2008-4226).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected packages.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 36916 ()

Bugtraq ID:

CVE ID: CVE-2008-4225
CVE-2008-4226

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