#VU85861 Arbitrary file upload in C21 Live encoder and Live Mosaic - CVE-2024-0643

Vulnerability identifier: #VU85861

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-2024-0643

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
C21 Live encoder
Client/Desktop applications / Other client software
Live Mosaic
Client/Desktop applications / Other client software

Vendor: Cires21

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote attacker can upload a malicious file and execute it on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

C21 Live encoder: 5.3

Live Mosaic: 5.3

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External links
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-cires21-products

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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.