CVE-2023-38621 Integer overflow in GTKWave
An attacker can achieve arbitrary code execution by tricking a user into opening a malicious VZT 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-2023-38621?
CVE-2023-38621 is a high-severity 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
Multiple integer overflow vulnerabilities exist in the VZT facgeometry parsing functionality of GTKWave 3.3.115. A specially crafted .vzt file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the integer overflow when allocating the `flags` array.
Weakness: CWE-190
Which versions are affected by CVE-2023-38621?
It affects 1 product.
Products include Tonybybell Gtkwave.
How do I fix CVE-2023-38621?
Apply the vendor's patch.
Is CVE-2023-38621 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-38621 exists.
Other vulnerabilities in Tonybybell Gtkwave
Sources
Also known as DEBIAN-CVE-2023-38621, GHSA-q8wr-886h-q847, UBUNTU-CVE-2023-38621.