CVE-2020-26990 Memory corruption in JT2Go

High 8.8 Published Updated

Attackers can execute arbitrary code by tricking users into opening a crafted ASM file in Siemens JT2Go or Teamcenter Visualization.

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-2020-26990?

CVE-2020-26990 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 < V13.1.0.1), Teamcenter Visualization (All versions < V13.1.0.1). Affected applications lack proper validation of user-supplied data when parsing ASM files. A crafted ASM file could trigger a type confusion condition. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-11897)

Weakness: CWE-843

Which versions are affected by CVE-2020-26990?

It affects 2 products.

Products include Siemens Jt2go, Siemens Teamcenter Visualization.

How do I fix CVE-2020-26990?

No fix has been published for CVE-2020-26990 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-2020-26990 being exploited?

There is no known exploitation of CVE-2020-26990 in the wild and no public exploit code.

All Siemens Jt2go vulnerabilities

Sources

Also known as GHSA-464x-v7w8-f44c.

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