#VU93313 Improper Certificate Validation in LibreOffice - CVE-2024-5261

Vulnerability identifier: #VU93313

Vulnerability risk: Medium

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-5261

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
LibreOffice
Client/Desktop applications / Office applications

Vendor: LibreOffice

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to missing certificate validation within the LibreOfficeKit when calling "curl" to fetch remote resources such as images hosted on web servers. A remote attacker can perform MitM attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LibreOffice: 24.2.0.1 - 24.2.0.3, 24.2.1.1 - 24.2.1.2, 24.2.2.1, 24.2.3.1 - 24.2.3.2

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External links
https://www.libreoffice.org/about-us/security/advisories/cve-2024-5261

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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.