CVE-2018-14424 Use after free in n/a
A local attacker can trigger a use-after-free in GDM via D-Bus calls, leading to denial of service or potential code execution.
- 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-2018-14424?
CVE-2018-14424 is a high-severity use after free vulnerability in n/a, published on 14 Aug 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The daemon in GDM through 3.29.1 does not properly unexport display objects from its D-Bus interface when they are destroyed, which allows a local attacker to trigger a use-after-free via a specially crafted sequence of D-Bus method calls, resulting in a denial of service or potential code execution.
Weakness: CWE-416
Which versions are affected by CVE-2018-14424?
It affects 1 product.
Linux distribution packages (5)
gdm SUSE:Linux Enterprise Desktop 12 SP3 | All versions | 3.10.0.1-54.6.3 |
gdm SUSE:Linux Enterprise Module for Desktop Applications 15 | All versions | 3.26.2.1-13.9.1 |
gdm SUSE:Linux Enterprise Server 12 SP3 | All versions | 3.10.0.1-54.6.3 |
gdm SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | All versions | 3.10.0.1-54.6.3 |
gdm SUSE:Linux Enterprise Software Development Kit 12 SP3 | All versions | 3.10.0.1-54.6.3 |
Products include Gnome Gnome Display Manager.
How do I fix CVE-2018-14424?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2018-14424 being exploited?
There is no known exploitation of CVE-2018-14424 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2018-14424, DLA-1494-1, DSA-4270-1, GHSA-c4j5-hwcp-h2qq, SUSE-SU-2018:2527-1, SUSE-SU-2018:2771-1 and 2 more.