CVE-2020-28596 Memory corruption in Prusa Research
A stack-based buffer overflow in PrusaSlicer allows attackers to execute arbitrary code via a specially crafted OBJ file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-28596?
CVE-2020-28596 is a high-severity memory corruption vulnerability in Prusa Research, published on 10 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
Weakness: CWE-787
Which versions are affected by CVE-2020-28596?
It affects 1 product.
Products include Prusa3d Prusaslicer.
How do I fix CVE-2020-28596?
No fix has been published for CVE-2020-28596 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-2020-28596 being exploited?
There is no known exploitation of CVE-2020-28596 in the wild and no public exploit code.
Other vulnerabilities in Prusa Research
Sources
Also known as DEBIAN-CVE-2020-28596, GHSA-v5r5-m654-v47x, UBUNTU-CVE-2020-28596.