CVE-2021-43275 Use after free in n/a
A use-after-free flaw in the DGN file reader allows attackers to execute arbitrary code via a malicious 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-2021-43275?
CVE-2021-43275 is a high-severity use after free vulnerability in n/a, published on 14 Nov 2021. 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 Use After Free vulnerability exists in the DGN file reading procedure in Open Design Alliance Drawings SDK before 2022.8. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.
Weakness: CWE-416
Which versions are affected by CVE-2021-43275?
It affects 1 product.
Products include Opendesign Drawings Software Development Kit.
How do I fix CVE-2021-43275?
No fix has been published for CVE-2021-43275 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2021-43275 being exploited?
There is no known exploitation of CVE-2021-43275 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-32r2-fm86-wr7x.