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Ubuntu Security Notice USN-1234-1

Ubuntu Security Notice USN-1234-1
Posted Oct 20, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1234-1 - 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.

tags | advisory, denial of service, local
systems | linux, ubuntu
advisories | CVE-2011-1159
MD5 | 1ed63bca7ddaadea147ee6cd589e2c1e

Ubuntu Security Notice USN-1234-1

Change Mirror Download
==========================================================================
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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