#VU89315 Buffer overflow in libde265 - CVE-2023-47471

Vulnerability identifier: #VU89315

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-47471

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 perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the slice_segment_header() function in the slice.cc. A remote attacker can pass specially crafted input to the application, trigger memory corruption and perform a denial of service (DoS) attack.

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/426
https://github.com/strukturag/libde265/commit/e36b4a1b0bafa53df47514c419d5be3e8916ebc7
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.