CVE-2020-26984 Memory corruption in JT2Go

High 8.8 Published Updated

An out-of-bounds write vulnerability in Siemens JT2Go and Teamcenter Visualization allows attackers to execute arbitrary code via malicious JT files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-26984?

CVE-2020-26984 is a high-severity memory corruption vulnerability in Siemens Jt2go, published on 12 Jan 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability has been identified in JT2Go (All versions < V13.1.0), Teamcenter Visualization (All versions < V13.1.0). Affected applications lack proper validation of user-supplied data when parsing of JT files. This could result in an out of bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-11972)

Weakness: CWE-787

Which versions are affected by CVE-2020-26984?

It affects 2 products.

Products include Siemens Jt2go, Siemens Teamcenter Visualization.

How do I fix CVE-2020-26984?

No fix has been published for CVE-2020-26984 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-2020-26984 being exploited?

There is no known exploitation of CVE-2020-26984 in the wild and no public exploit code.

All Siemens Jt2go vulnerabilities

Sources

Also known as GHSA-4qr3-ph4h-wwpf.

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