#VU74802 NULL pointer dereference in oiio - CVE-2022-43595

Vulnerability identifier: #VU74802

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-43595

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
oiio
Other software / Other software solutions

Vendor: OpenImageIO

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the image output closing functionality that applies to writing .fits files. A remote attacker can trick the victim to open a specially crafted file and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

oiio: 2.4.4.1 - 2.4.5.0

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External links
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1653
https://github.com/OpenImageIO/oiio/releases/tag/v2.4.6.0

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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.