[USN-4538-1] PackageKit vulnerabilities
Marc Deslauriers
marc.deslauriers at canonical.com
Thu Sep 24 14:43:25 UTC 2020
==========================================================================
Ubuntu Security Notice USN-4538-1
September 24, 2020
packagekit vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in PackageKit.
Software Description:
- packagekit: Provides a package management service
Details:
Vaisha Bernard discovered that PackageKit incorrectly handled certain
methods. A local attacker could use this issue to learn the MIME type of
any file on the system. (CVE-2020-16121)
Sami Niemimäki discovered that PackageKit incorrectly handled local deb
packages. A local user could possibly use this issue to install untrusted
packages, contrary to expectations. (CVE-2020-16122)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS:
packagekit 1.1.13-2ubuntu1.1
Ubuntu 18.04 LTS:
packagekit 1.1.9-1ubuntu2.18.04.6
Ubuntu 16.04 LTS:
packagekit 0.8.17-4ubuntu6~gcc5.4ubuntu1.5
After a standard system update you need to reboot your computer to make all
the necessary changes.
References:
https://usn.ubuntu.com/4538-1
CVE-2020-16121, CVE-2020-16122
Package Information:
https://launchpad.net/ubuntu/+source/packagekit/1.1.13-2ubuntu1.1
https://launchpad.net/ubuntu/+source/packagekit/1.1.9-1ubuntu2.18.04.6
https://launchpad.net/ubuntu/+source/packagekit/0.8.17-4ubuntu6~gcc5.4ubuntu1.5
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