CVE-2023-34436 Memory corruption in GTKWave
An attacker can execute arbitrary code by tricking a user into opening a malicious LXT2 file in GTKWave.
- 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-2023-34436?
CVE-2023-34436 is a high-severity memory corruption vulnerability in Tonybybell Gtkwave, published on 8 Jan 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 out-of-bounds write vulnerability exists in the LXT2 num_time_table_entries functionality of GTKWave 3.3.115. A specially crafted .lxt2 file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.
Which versions are affected by CVE-2023-34436?
It affects 1 product.
Products include Tonybybell Gtkwave.
How do I fix CVE-2023-34436?
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-2023-34436 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-34436 exists.
Other vulnerabilities in Tonybybell Gtkwave
Sources
Also known as DEBIAN-CVE-2023-34436, GHSA-v74j-582j-7x9r, UBUNTU-CVE-2023-34436.