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USN-3863-1: APT vulnerability

22 January 2019

An attacker could trick APT into installing 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

Releases

Packages

  • apt - Advanced front-end for dpkg

Details

Max Justicz discovered that APT incorrectly handled certain parameters
during redirects. 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 18.10
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References

Related notices

  • USN-3863-2: libapt-inst1.4, apt-doc, apt-transport-https, libapt-pkg-dev, apt, libapt-pkg4.12, libapt-pkg-doc, apt-utils