#VU68115 Command Injection in LibreOffice - CVE-2022-3140

Vulnerability identifier: #VU68115

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-3140

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
LibreOffice
Client/Desktop applications / Office applications

Vendor: LibreOffice

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when parsing arguments for the "vnd.libreoffice.command'" URI scheme. A remote attacker can create a specially crafted document, trick the victim into opening it and execute internal macros with arbitrary arguments.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LibreOffice: 7.3.0.1 - 7.3.0.3, 7.3.1.1 - 7.3.1.3, 7.3.2.1 - 7.3.2.2, 7.3.3.1 - 7.3.3.2, 7.3.4.1 - 7.3.4.2, 7.3.5.1 - 7.3.5.2, 7.4.0.1 - 7.4.0.3

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External links
https://www.libreoffice.org/about-us/security/advisories/cve-2022-3140/
https://www.zerodayinitiative.com/advisories/ZDI-22-1456/

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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.