USN-3322-1: Exim vulnerability

19 June 2017

Exim could be made to run programs as an administrator.

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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.

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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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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

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Further reading