CVE-2021-32946 Memory corruption in Drawings SDK
Attackers can trigger out-of-bounds errors via malicious DGN files, leading to code execution or denial of service in applications using the Drawings SDK.
- 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-2021-32946?
CVE-2021-32946 is a high-severity memory corruption 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
An improper check for unusual or exceptional conditions issue exists within the parsing DGN files from Drawings SDK (Version 2022.4 and prior) resulting from the lack of proper validation of the user-supplied data. This may result in several of out-of-bounds problems and allow attackers to cause a denial-of-service condition or execute code in the context of the current process.
Weakness: CWE-754
Which versions are affected by CVE-2021-32946?
It affects 4 products.
Products include Opendesign Drawings Sdk, Siemens Comos, Siemens Jt2go, Siemens Teamcenter Visualization.
How do I fix CVE-2021-32946?
No fix has been published for CVE-2021-32946 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-2021-32946 being exploited?
There is no known exploitation of CVE-2021-32946 in the wild and no public exploit code.
Other vulnerabilities in Siemens Jt2go
Sources
Also known as GHSA-cv5v-qfpj-5pm3.