CVE-2021-44961 Denial of service in n/a
Attackers can cause memory exhaustion and denial of service in Slic3r by providing specially crafted STL files to the PerimeterGenerator class.
- 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-2021-44961?
CVE-2021-44961 is a medium-severity denial of service vulnerability in n/a, published on 1 Mar 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 memory leakage flaw exists in the class PerimeterGenerator of Slic3r libslic3r 1.3.0 and Master Commit b1a5500. Specially crafted stl files can exhaust available memory. An attacker can provide malicious files to trigger this vulnerability.
Weakness: CWE-401
Which versions are affected by CVE-2021-44961?
It affects 1 product.
Products include Slic3r Libslic3r.
How do I fix CVE-2021-44961?
No fix has been published for CVE-2021-44961 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-44961 being exploited?
There is no known exploitation of CVE-2021-44961 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2021-44961, GHSA-hmw9-9296-84q4, UBUNTU-CVE-2021-44961.