CVE-2020-16121 PackageKit error messages leak presence and mimetype of files to unprivileged users
PackageKit leaks file presence and mimetype information to unprivileged users via detailed error messages, allowing unauthorized data access.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-16121?
CVE-2020-16121 is a low-severity vulnerability in Canonical Ubuntu Linux, published on 7 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
PackageKit provided detailed error messages to unprivileged callers that exposed information about file presence and mimetype of files that the user would be unable to determine on its own.
Weakness: CWE-209
Which versions are affected by CVE-2020-16121?
It affects 2 products.
Linux distribution packages (10)
PackageKit SUSE:Linux Enterprise Module for Desktop Applications 15 SP1 | All versions | 1.1.10-12.10.1 |
PackageKit SUSE:Linux Enterprise Module for Desktop Applications 15 SP2 | All versions | 1.1.13-4.14.2 |
PackageKit SUSE:Linux Enterprise Server 12 SP5 | All versions | 1.1.3-24.15.1 |
PackageKit SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 1.1.3-24.15.1 |
PackageKit SUSE:Linux Enterprise Software Development Kit 12 SP5 | All versions | 1.1.3-24.15.1 |
PackageKit SUSE:Linux Enterprise Workstation Extension 12 SP5 | All versions | 1.1.3-24.15.1 |
PackageKit SUSE:Linux Enterprise Workstation Extension 15 SP1 | All versions | 1.1.10-12.10.1 |
PackageKit SUSE:Linux Enterprise Workstation Extension 15 SP2 | All versions | 1.1.13-4.14.2 |
PackageKit openSUSE:Leap 15.1 | All versions | 1.1.10-lp151.8.12.1 |
PackageKit openSUSE:Leap 15.2 | All versions | 1.1.13-lp152.3.15.1 |
Products include Canonical Ubuntu Linux, Packagekit Project Packagekit.
How do I fix CVE-2020-16121?
Apply the vendor's patch.
Is CVE-2020-16121 being exploited?
There is no known exploitation of CVE-2020-16121 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2020-16121, GHSA-6g23-6jw5-9vrf, MGASA-2020-0415, OESA-2021-1381, SUSE-SU-2020:3845-1, SUSE-SU-2020:3909-1 and 4 more.