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Ubuntu Security Notice USN-1666-1

Ubuntu Security Notice USN-1666-1
Posted Dec 18, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1666-1 - It was discovered that Aptdaemon incorrectly validated PPA GPG keys when importing from a keyserver. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to install altered package repository GPG keys.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2012-0962
MD5 | dbacfde5b034ae5fb94fdea5dc54e859

Ubuntu Security Notice USN-1666-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-1666-1
December 17, 2012

aptdaemon vulnerability
============================================================================

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

- Ubuntu 12.04 LTS
- Ubuntu 11.10

Summary:

Aptdaemon could be tricked into installing arbitrary PPA GPG keys.

Software Description:
- aptdaemon: transaction based package management service

Details:

It was discovered that Aptdaemon incorrectly validated PPA GPG keys when
importing from a keyserver. If a remote attacker were able to perform a
man-in-the-middle attack, this flaw could be exploited to install altered
package repository GPG keys.

Update instructions:

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

Ubuntu 12.04 LTS:
aptdaemon 0.43+bzr805-0ubuntu7

Ubuntu 11.10:
aptdaemon 0.43+bzr697-0ubuntu1.3

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1666-1
CVE-2012-0962

Package Information:
https://launchpad.net/ubuntu/+source/aptdaemon/0.43+bzr805-0ubuntu7
https://launchpad.net/ubuntu/+source/aptdaemon/0.43+bzr697-0ubuntu1.3

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