USN-4667-1: APT vulnerability

Releases

• Ubuntu 20.10
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• apt - Advanced front-end for dpkg

Details

Kevin Backhouse discovered that APT incorrectly handled certain packages.
A local attacker could possibly use this issue to cause APT to crash or
stop responding, resulting in a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.10

• apt - 2.1.10ubuntu0.1

Ubuntu 20.04

• apt - 2.0.2ubuntu0.2

Ubuntu 18.04

• apt - 1.6.12ubuntu0.2

Ubuntu 16.04

• apt - 1.2.32ubuntu0.2

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

References

• CVE-2020-27350

Related notices

• USN-4667-2: libapt-inst1.5, apt-utils, libapt-pkg-doc, libapt-pkg4.12, apt-doc, apt-transport-https, apt, libapt-pkg-dev