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Ubuntu Security Notice USN-1115-1
April 19, 2011

language-selector vulnerability

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

• Ubuntu 10.10

Summary:

Local users could gain root access via the language-selector.

Software Description:

• language-selector: Language selector for Ubuntu Linux

Details:

Romain Perier discovered that the language-selector D-Bus backend did not
correctly check for Policy Kit authorizations. A local attacker could exploit
this to inject shell commands into the system-wide locale configuration file,
leading to root privilege escalation.

Update instructions:

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

Ubuntu 10.10:
language-selector-common 0.6.7

In general, a standard system update will make all the necessary changes.

References:
CVE-2011-0729

Package Information:
https://launchpad.net/ubuntu/+source/language-selector/0.6.7