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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.057 (92.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.055 · newest: 0.057 · change: +0.002
Affected products
- Libreoffice — versions 7.4.0
- The Document Foundation Libreoffice — versions 7.4, 7.3
- Debian Linux — versions 11.0
- Fedoraproject Fedora — versions 35
Weakness classification (CWE)
References
- www.libreoffice.org/about-us/security/advisories/CVE-2022-3140 (Vendor Advisory)
- www.debian.org/security/2022/dsa-5252 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202212-04 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/03/msg00022.html (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.