CVE-2021-21948 Memory corruption in Chitubox AnyCubic Plugin
A heap-based buffer overflow in the AnyCubic Chitubox plugin allows attackers to execute arbitrary code via a specially crafted GF file.
- 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-2021-21948?
CVE-2021-21948 is a high-severity memory corruption vulnerability in Chitubox AnyCubic Plugin, published on 14 Apr 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
A heap-based buffer overflow vulnerability exists in the readDatHeadVec functionality of AnyCubic Chitubox AnyCubic Plugin 1.0.0. A specially-crafted GF file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Which versions are affected by CVE-2021-21948?
It affects 2 products.
Products include Anycubic Chitubox, Chitubox Chitubox Basic.
How do I fix CVE-2021-21948?
No fix has been published for CVE-2021-21948 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-2021-21948 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-21948 exists.
Sources
Also known as GHSA-3q56-mvp8-x9j4.