Articles / Ubuntu: New acpid packages …

Ubuntu: New acpid packages fix security vulnerabilities

Vasiliy Kulikov discovered that acpid did not properly handle connections from poorly behaving clients. A local attacker could potentially exploit this to cause a denial of service. Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1234-1
October 20, 2011

acpid vulnerability
==========================================================================

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

- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS

Summary:

acpid could be made to stall under certain conditions.

Software Description:
- acpid: Advanced Configuration and Power Interface event daemon

Details:

Vasiliy Kulikov discovered that acpid did not properly handle connections
from poorly behaving clients. A local attacker could potentially exploit
this to cause a denial of service.

Update instructions:

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

Ubuntu 11.04:
 acpid                           1:2.0.7-1ubuntu2.1

Ubuntu 10.10:
 acpid                           1.0.10-5ubuntu4.1

Ubuntu 10.04 LTS:
 acpid                           1.0.10-5ubuntu2.2

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

References:
 http://www.ubuntu.com/usn/usn-1234-1
 CVE-2011-1159

Package Information:
 https://launchpad.net/ubuntu/+source/acpid/1:2.0.7-1ubuntu2.1
 https://launchpad.net/ubuntu/+source/acpid/1.0.10-5ubuntu4.1
 https://launchpad.net/ubuntu/+source/acpid/1.0.10-5ubuntu2.2
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