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USN-3746-1: APT vulnerability

20 August 2018

An attacker could trick APT into installing altered packages.

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Releases

Packages

  • apt - Advanced front-end for dpkg

Details

It was discovered that APT incorrectly handled the mirror method
(mirror://). If a remote attacker were able to perform a machine-in-the-middle
attack, this flaw could potentially be used to install altered packages in
environments configured to use mirror:// entries.

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 18.04

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

References

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Further reading