CVE-2021-43336 Memory corruption in n/a
An out-of-bounds write in the Open Design Alliance Drawings SDK allows attackers to execute arbitrary code via crafted DXF or DWG 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-2021-43336?
CVE-2021-43336 is a high-severity memory corruption vulnerability in Siemens Jt2go, 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
An Out-of-Bounds Write vulnerability exists when reading a DXF or DWG file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF and DWG files. Crafted data in a DXF or DWG file (an invalid number of properties) can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Weakness: CWE-787
Which versions are affected by CVE-2021-43336?
It affects 4 products.
Products include Opendesign Drawings Software Development Kit, Siemens Jt2go, Siemens Solid Edge, Siemens Teamcenter Visualization.
How do I fix CVE-2021-43336?
No fix has been published for CVE-2021-43336 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-2021-43336 being exploited?
There is no known exploitation of CVE-2021-43336 in the wild and no public exploit code.
Other vulnerabilities in Siemens Jt2go
Sources
Also known as GHSA-25gw-crq8-3qhc.