CVE-2021-34322 Information disclosure in JT2Go
An out-of-bounds read in the JPEG2K_Loader.dll allows attackers to leak information from the current process context via malicious J2K 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-2021-34322?
CVE-2021-34322 is a medium-severity vulnerability in Siemens Jt2go, published on 13 Jul 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 JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The JPEG2K_Loader.dll library in affected applications lacks proper validation of user-supplied data when parsing J2K files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information in the context of the current process. (ZDI-CAN-13416)
Which versions are affected by CVE-2021-34322?
It affects 2 products.
Products include Siemens Jt2go, Siemens Teamcenter Visualization.
How do I fix CVE-2021-34322?
No fix has been published for CVE-2021-34322 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-34322 being exploited?
There is no known exploitation of CVE-2021-34322 in the wild and no public exploit code.
Other vulnerabilities in Siemens Jt2go
Sources
Also known as GHSA-9j5f-v4wh-f63g.