Vulnerability identifier: #VU74493

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-0996

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libheif
Other software / Other software solutions

Vendor: struktur AG

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing ISO/IEC 23008-12:2017 HEIF and AVIF files. A remote attacker can trick the victim into opening a specially crafted image file, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libheif: 1.0.0 - 1.14.1

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External links
http://govtech-csg.github.io/security-advisories/2023/02/24/CVE-2023-0996.html
http://github.com/strukturag/libheif/pull/759

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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.