#VU67425 Out-of-bounds write in NIS-Elements Viewer - CVE-2022-40663

Vulnerability identifier: #VU67425

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/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-2022-40663

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
NIS-Elements Viewer
Client/Desktop applications / Other client software

Vendor: Nikon Instruments

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the parsing of TIF images. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

NIS-Elements Viewer: 1.2100.1483.0

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External links
https://www.zerodayinitiative.com/advisories/ZDI-22-1219/

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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.