CVE-2021-44002 Memory corruption in JT Open
An out-of-bounds write in Jt1001.dll allows attackers to execute arbitrary code via specially crafted JT files in Siemens CAD applications.
- 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-2021-44002?
CVE-2021-44002 is a high-severity memory corruption vulnerability in Siemens Jt2go, published on 14 Dec 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 vulnerability has been identified in JT Open (All versions < V11.1.1.0), JT Utilities (All versions < V13.1.1.0), Solid Edge (All versions < V2023). The Jt1001.dll contains an out of bounds write past the end of an allocated structure while parsing specially crafted JT files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-15058, ZDI-CAN-19076, ZDI-CAN-19077)
Weakness: CWE-787
Which versions are affected by CVE-2021-44002?
It affects 5 products.
Products include Siemens Jt2go, Siemens Jt Open Toolkit, Siemens Jt Utilities, Siemens Solid Edge, Siemens Teamcenter Visualization.
How do I fix CVE-2021-44002?
No fix has been published for CVE-2021-44002 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-2021-44002 being exploited?
There is no known exploitation of CVE-2021-44002 in the wild and no public exploit code.
Other vulnerabilities in Siemens Jt2go
Sources
Also known as GHSA-4586-cfjg-4699.