CVE-2023-49676 CODESYS: Use after free vulnerability through corrupted project files
An attacker can cause a denial of service by tricking a user into opening corrupted project files in the CODESYS Development System.
- 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-2023-49676?
CVE-2023-49676 is a medium-severity use after free 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 crash the system due to use after free vulnerability.
Weakness: CWE-416
Which versions are affected by CVE-2023-49676?
How do I fix CVE-2023-49676?
No fix has been published for CVE-2023-49676 yet. Limit exposure of the affected software until one is available.
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-2023-49676 being exploited?
There is no known exploitation of CVE-2023-49676 in the wild and no public exploit code.
Sources
Also known as GHSA-q4h3-rm8f-c8qr.