#VU54889 Use-after-free in JT2Go and Teamcenter Visualization - CVE-2021-34330

Vulnerability identifier: #VU54889

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-34330

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
JT2Go
Server applications / Virtualization software
Teamcenter Visualization
Other software / Other software solutions

Vendor: Siemens

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the Jt981.dll library when parsing JT files. A remote attacker can execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

JT2Go: before 13.2

Teamcenter Visualization: before 13.2

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External links
https://cert-portal.siemens.com/productcert/pdf/ssa-483182.pdf
https://www.zerodayinitiative.com/advisories/ZDI-21-868/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.