#VU99286 Out-of-bounds write in libheif - CVE-2024-41311

Vulnerability identifier: #VU99286

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-2024-41311

CWE-ID: CWE-787

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 compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the ImageOverlay::parse() in context.cc. A remote attacker can create a specially crafted image file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libheif: 1.0.0 - 1.17.6

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External links
https://github.com/strukturag/libheif/issues/1226
https://github.com/strukturag/libheif/pull/1227
https://github.com/strukturag/libheif/commit/a3ed1b1eb178c5d651d6ac619c8da3d71ac2be36
https://gist.github.com/flyyee/79f1b224069842ee320115cafa5c35c0

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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.