#VU50416 Out-of-bounds Write in Luxion products - CVE-2021-22643

Vulnerability identifier: #VU50416

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-2021-22643

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
KeyShot
Client/Desktop applications / Virtualization software
KeyShot Viewer
Client/Desktop applications / Other client software
KeyVR
Client/Desktop applications / Other client software
KeyShot Network Rendering
Server applications / Other server solutions

Vendor: Luxion

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing project files. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

KeyShot: before 10.1

KeyShot Viewer: before 10.1

KeyShot Network Rendering: before 10.1

KeyVR: before 10.1

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External links
https://ics-cert.us-cert.gov/advisories/icsa-21-035-01

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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.