CVE-2021-32944 Use after free in Drawings SDK
A use-after-free in the Drawings SDK allows attackers to execute arbitrary code or cause denial of service via malicious DGN files.
- 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-2021-32944?
CVE-2021-32944 is a high-severity use after free vulnerability in Siemens Jt2go, published on 17 Jun 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 issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process.
Weakness: CWE-416
Which versions are affected by CVE-2021-32944?
It affects 4 products.
Products include Opendesign Drawings Sdk, Siemens Comos, Siemens Jt2go, Siemens Teamcenter Visualization.
How do I fix CVE-2021-32944?
No fix has been published for CVE-2021-32944 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-2021-32944 being exploited?
There is no known exploitation of CVE-2021-32944 in the wild and no public exploit code.
Other vulnerabilities in Siemens Jt2go
Sources
Also known as GHSA-vp45-9px8-7xw8.