Home / mailings

PDF

[USN-1782-1] libxml2 vulnerability

Posted on 28 March 2013
Ubuntu Security

==========================
==========================
========================
Ubuntu Security Notice USN-1782-1
March 28, 2013

libxml2 vulnerability
==========================
==========================
========================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS

Summary:

libxml2 could be made to hang if it received specially crafted input.

Software Description:
- libxml2: GNOME XML library

Details:

It was discovered that libxml2 incorrectly handled XML entity expansion.
An attacker could use this flaw to cause libxml2 to consume large amounts=

of resources, resulting in a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.10:
libxml2 2.8.0+dfsg1-5ubuntu2.2

Ubuntu 12.04 LTS:
libxml2 2.7.8.dfsg-5.1ubuntu4.4

Ubuntu 11.10:
libxml2 2.7.8.dfsg-4ubuntu0.6

Ubuntu 10.04 LTS:
libxml2 2.7.6.dfsg-1ubuntu1.8

Ubuntu 8.04 LTS:
libxml2 2.6.31.dfsg-2ubuntu1.12

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1782-1
CVE-2013-0338

Package Information:
https://launchpad.net/ubuntu/+source/libxml2/2.8.0+dfsg1-5ubuntu2.2
https://launchpad.net/ubuntu/+source/libxml2/2.7.8.dfsg-5.1ubuntu4.4
https://launchpad.net/ubuntu/+source/libxml2/2.7.8.dfsg-4ubuntu0.6
https://launchpad.net/ubuntu/+source/libxml2/2.7.6.dfsg-1ubuntu1.8
https://launchpad.net/ubuntu/+source/libxml2/2.6.31.dfsg-2ubuntu1.12



------------

 

TOP