#VU76229 Division by zero in libheif - CVE-2023-29659

Vulnerability identifier: #VU76229

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-29659

CWE-ID: CWE-369

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 perform a denial of service (DoS) attack.

The vulnerability exists due to a floating point exception within the heif::Fraction::round() function in box.cc. A remote attacker can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libheif: 1.0.0 - 1.15.1

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External links
http://github.com/strukturag/libheif/issues/794
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CKAE6NQBA3Q7GS6VTNDZRZZZVPPEFUEZ/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LGKHDCS4HRZE3UGXYYDYPTIPNIBRLQ5L/
http://github.com/advisories/GHSA-22fx-6r9m-r8h9

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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.