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USN-2657-1: unattended-upgrades vulnerability

29 June 2015

An attacker could trick unattended-upgrades into installing altered packages.

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Releases

Packages

Details

It was discovered that unattended-upgrades incorrectly performed
authentication checks in certain configurations. If a remote attacker were
able to perform a machine-in-the-middle attack, this flaw could potentially be
used to install altered packages.

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 15.04
Ubuntu 14.10
Ubuntu 14.04
Ubuntu 12.04

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

References

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Further reading