CVE-2023-49675 CODESYS: Out-of-bounds write through corrupted project files
An attacker can execute arbitrary code or crash the system by tricking a user into opening corrupted project files in CODESYS.
- 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
- None listed
What is CVE-2023-49675?
CVE-2023-49675 is a high-severity memory corruption vulnerability in CODESYS Development System V2.3, published on 6 May 2024. 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 unauthenticated local attacker may trick a user to open corrupted project files to execute arbitrary code or crash the system due to an out-of-bounds write vulnerability.
Weakness: CWE-787
Which versions are affected by CVE-2023-49675?
How do I fix CVE-2023-49675?
No fix has been published for CVE-2023-49675 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-49675 being exploited?
There is no known exploitation of CVE-2023-49675 in the wild and no public exploit code.
Sources
Also known as GHSA-j5x9-c5fm-gqwf.