Ubuntu Security Notice 1115-1 - 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.
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Ubuntu Security Notice USN-1115-1
April 19, 2011
language-selector vulnerability
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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