CVE-2021-34320 Information disclosure in JT2Go

Medium 5.5 Published Updated

An out-of-bounds read in JT file parsing allows attackers to leak sensitive information from the application's memory context.

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-2021-34320?

CVE-2021-34320 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 Jt981.dll library in affected applications lacks proper validation of user-supplied data when parsing JT 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-13406)

Weakness: CWE-125, CWE-126

Which versions are affected by CVE-2021-34320?

It affects 2 products.

Products include Siemens Jt2go, Siemens Teamcenter Visualization.

How do I fix CVE-2021-34320?

No fix has been published for CVE-2021-34320 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-34320 being exploited?

There is no known exploitation of CVE-2021-34320 in the wild and no public exploit code.

All Siemens Jt2go vulnerabilities

Sources

Also known as GHSA-qq74-qxgg-ph3j.

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