#VU89314 Buffer overflow in libde265 - CVE-2023-43887

Vulnerability identifier: #VU89314

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-43887

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libde265
Mobile applications / Libraries for mobile applications

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 within the pic_parameter_set::dump() function. A remote attacker can pass specially crafted data to the application, 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

libde265: 1.0.0 - 1.0.12

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External links
https://github.com/strukturag/libde265/issues/418
https://github.com/strukturag/libde265/commit/63b596c915977f038eafd7647d1db25488a8c133
https://lists.debian.org/debian-lts-announce/2023/11/msg00032.html

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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.