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USN-4124-2: Exim vulnerability

16 September 2019

Exim could be made to run programs as an administrator if it received specially crafted network traffic.

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Releases

Packages

  • exim4 - Exim is a mail transport agent

Details

USN-4124-1 fixed a vulnerability in Exim. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Exim incorrectly handled certain decoding
operations. A remote attacker could possibly use this issue to execute
arbitrary commands.

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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 14.04

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

References

Related notices

  • USN-4124-1: exim4-base, exim4-config, exim4-daemon-light, exim4-daemon-heavy, exim4-dev, exim4, eximon4

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Further reading