USN-4359-1: APT vulnerability

Releases

• Ubuntu 20.04 LTS
• Ubuntu 19.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• apt - Advanced front-end for dpkg

Details

It was discovered that APT incorrectly handled certain filenames during
package installation. If an attacker could provide a specially crafted
package to be installed by the system administrator, this could cause APT
to crash.

Update instructions

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

Ubuntu 20.04

• apt - 2.0.2ubuntu0.1

Ubuntu 19.10

• apt - 1.9.4ubuntu0.1

Ubuntu 18.04

• apt - 1.6.12ubuntu0.1

Ubuntu 16.04

• apt - 1.2.32ubuntu0.1

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

References

• CVE-2020-3810

Related notices

• USN-4359-2: libapt-inst1.5, apt, libapt-pkg4.12, libapt-pkg-doc, apt-transport-https, apt-utils, apt-doc, libapt-inst1.4, libapt-pkg-dev