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USN-1588-1: Software Properties vulnerability

1 October 2012

Software Properties could be tricked into installing arbitrary PPA GPG keys.




It was discovered that the apt-add-repository tool 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.

Update instructions

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

Ubuntu 12.04
Ubuntu 11.10
Ubuntu 11.04
Ubuntu 10.04

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