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Ubuntu Security Notice USN-1181-1
July 28, 2011

libsoup2.4 vulnerability

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

• Ubuntu 11.04
• Ubuntu 10.10
• Ubuntu 10.04 LTS

Summary:

An attacker could send crafted URLs to a SoupServer application and obtain
unintended access to files.

Software Description:

• libsoup2.4: HTTP client/server library for GNOME

Details:

It was discovered that libsoup did not properly validate its input when
processing SoupServer requests. A remote attacker could exploit this to
access files via directory traversal.

Update instructions:

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

Ubuntu 11.04:
libsoup2.4-1 2.34.0-0ubuntu1.1

Ubuntu 10.10:
libsoup2.4-1 2.31.92-0ubuntu1.1

Ubuntu 10.04 LTS:
libsoup2.4-1 2.30.2-0ubuntu0.2

After a standard system update you need to restart any applications that
use libsoup to make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1181-1
CVE-2011-2524

Package Information:
https://launchpad.net/ubuntu/+source/libsoup2.4/2.34.0-0ubuntu1.1
https://launchpad.net/ubuntu/+source/libsoup2.4/2.31.92-0ubuntu1.1
https://launchpad.net/ubuntu/+source/libsoup2.4/2.30.2-0ubuntu0.2