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USN-1666-1: Aptdaemon vulnerability

17 December 2012

Aptdaemon could be tricked into installing arbitrary PPA GPG keys.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

  • 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
machine-in-the-middle attack, this flaw could be exploited to install altered
package repository GPG keys.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 12.04
Ubuntu 11.10

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

References