Vulnerability identifier: #VU81940

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-2023-43641

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libcue
Other software / Other software solutions

Vendor: lipnitsk (Ilya Lipnitskiy)

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when parsing CUE sheets. A remote attacker can create a specially crafted file, trick the victim into downloading it, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libcue: 1.2.0 - 2.2.1

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External links
http://github.blog/2023-10-09-coordinated-disclosure-1-click-rce-on-gnome-cve-2023-43641/
http://github.com/lipnitsk/libcue/security/advisories/GHSA-5982-x7hv-r9cj
http://github.com/lipnitsk/libcue/commit/cfb98a060fd79dbc3463d85f0f29c3c335dfa0ea
http://github.com/lipnitsk/libcue/commit/fdf72c8bded8d24cfa0608b8e97f2eed210a920e
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/57JEYTRFG4PVGZZ7HIEFTX5I7OONFFMI/
http://lists.debian.org/debian-lts-announce/2023/10/msg00018.html
http://www.debian.org/security/2023/dsa-5524
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PGQOMFDBXGM3DOICCXKCUS76OTKTSPMN/
http://github.com/lipnitsk/libcue/releases/tag/v2.3.0

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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.