CVE-2021-34332 Denial of service in JT2Go
Attackers can cause denial of service in Siemens JT2Go and Teamcenter Visualization by providing malformed BMP files that trigger infinite loops.
- 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-2021-34332?
CVE-2021-34332 is a medium-severity denial of service 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 BMP_Loader.dll library in affected applications lacks proper validation of user-supplied data when parsing BMP files. A malformed input file could result in an infinite loop condition that leads to denial of service condition. An attacker could leverage this vulnerability to consume excessive resources. (CNVD-C-2021-79300)
Weakness: CWE-835
Which versions are affected by CVE-2021-34332?
It affects 2 products.
Products include Siemens Jt2go, Siemens Teamcenter Visualization.
How do I fix CVE-2021-34332?
No fix has been published for CVE-2021-34332 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-34332 being exploited?
There is no known exploitation of CVE-2021-34332 in the wild and no public exploit code.
Other vulnerabilities in Siemens Jt2go
Sources
Also known as GHSA-jr3j-7g7q-jr5m.