CVE-2019-3691 Local privilege escalation from user munge to root
Local attackers can escalate privileges from the munge user to root via a symlink following vulnerability in SUSE Linux packaging.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-3691?
CVE-2019-3691 is a high-severity vulnerability in SUSE Factory, published on 23 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A Symbolic Link (Symlink) Following vulnerability in the packaging of munge in SUSE Linux Enterprise Server 15; openSUSE Factory allowed local attackers to escalate privileges from user munge to root. This issue affects: SUSE Linux Enterprise Server 15 munge versions prior to 0.5.13-4.3.1. openSUSE Factory munge versions prior to 0.5.13-6.1.
Weakness: CWE-59
Which versions are affected by CVE-2019-3691?
It affects 1 product.
Linux distribution packages (5)
munge SUSE:Linux Enterprise Module for HPC 12 | All versions | 0.5.14-3.6.1 |
munge SUSE:Linux Enterprise Module for HPC 15 | All versions | 0.5.13-4.3.1 |
munge SUSE:Linux Enterprise Module for HPC 15 SP1 | All versions | 0.5.13-4.3.1 |
munge openSUSE:Leap 15.1 | All versions | 0.5.13-lp151.4.3.1 |
munge openSUSE:Tumbleweed | All versions | 0.5.14-2.6 |
Products include Opensuse Munge.
How do I fix CVE-2019-3691?
Apply the vendor's patch.
Is CVE-2019-3691 being exploited?
There is no known exploitation of CVE-2019-3691 in the wild and no public exploit code.
Sources
Also known as GHSA-q63p-x3h7-v3p5, SUSE-SU-2019:3190-1, SUSE-SU-2020:1144-1, openSUSE-SU-2019:2670-1, openSUSE-SU-2024:11066-1.