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USN-3322-1: Exim vulnerability

19 June 2017

Exim could be made to run programs as an administrator.

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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

  • exim4 - Exim is a mail transport agent

Details

It was discovered that Exim did not properly deallocate memory when
processing certain command line arguments. A local attacker could use this
in conjunction with a vulnerability in the underlying kernel to possibly
execute arbitrary code and gain administrative privileges.

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 17.04
Ubuntu 16.10
Ubuntu 16.04
Ubuntu 14.04

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

References