CVE-2022-39836 Memory corruption in n/a
A heap-based buffer over-read in the DLT daemon allows attackers to crash the process via a crafted file, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-39836?
CVE-2022-39836 is a medium-severity memory corruption vulnerability in n/a, published on 24 Oct 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT file parser, a crafted DLT file that crashes the process can be created. This is due to missing validation checks. There is a heap-based buffer over-read of one byte.
Weakness: CWE-125
Which versions are affected by CVE-2022-39836?
It affects 1 product.
Products include Genivi Diagnostic Log and Trace.
How do I fix CVE-2022-39836?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-39836 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-39836 exists.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2022-39836, GHSA-8gjv-jwgc-cx6r, UBUNTU-CVE-2022-39836.