Improper input validation in Libreoffice
CVE-2022-3140
LibreOffice supports Office URI Schemes to enable browser integration of LibreOffice with MS SharePoint server. An additional scheme 'vnd.libreoffice.command' specific to LibreOffice was added. In the affected versions of LibreOffice links using that scheme could be constructed to call internal macros with arbitrary arguments. Which when clicked on, or activated by document events, could result in arbitrary script execution without warning. This issue affects: The Document Foundation LibreOffice 7.4 versions prior to 7.4.1; 7.3 versions prior to 7.3.6.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.053 (91.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
Affected products
- Libreoffice — versions 7.4.0
- The Document Foundation Libreoffice — versions 7.4, 7.3
- Debian Debian_linux — versions 11.0
- Fedoraproject Fedora — versions 35
Weakness classification (CWE)
References
- security@documentfoundation.org (Vendor Advisory)
- security@documentfoundation.org (vendor-advisory, Third Party Advisory)
- security@documentfoundation.org (vendor-advisory)
- security@documentfoundation.org (vendor-advisory, Third Party Advisory)
- security@documentfoundation.org (mailing-list)
Frequently asked questions
- What is CVE-2022-3140?
- CVE-2022-3140 is a medium-severity vulnerability in Libreoffice, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2022-10-11.
- How severe is CVE-2022-3140?
- Medium severity. CVSS v3 base score is 6.3 out of 10.