Buffer overflow in Libreoffice
CVE-2018-10120
The SwCTBWrapper::Read function in sw/source/filter/ww8/ww8toolbar.cxx in LibreOffice before 5.4.6.1 and 6.x before 6.0.2.1 does not validate a customizations index, which allows remote attackers to cause a denial of service (heap-based buffer overflow with write access) or possibly have unspecified other impact via a crafted document that contains a certain Microsoft Word record.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: -0.000
Affected products
- Libreoffice
- Canonical Ubuntu Linux — versions 14.04, 16.04
- Debian Linux — versions 7.0, 8.0, 9.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Workstation — versions 7.0
Weakness classification (CWE)
References
- gerrit.libreoffice.org/ (Patch, Vendor Advisory)
- gerrit.libreoffice.org/ (Patch, Vendor Advisory)
- gerrit.libreoffice.org/gitweb
- access.redhat.com/errata/RHSA-2018:3054 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2018/dsa-4178 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3883-1/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/04/msg00021.html (mailing-list, Third Party Advisory)
- www.libreoffice.org/about-us/security/advisories/cve-2018-10120/ (Vendor Advisory)
- bugs.chromium.org/p/oss-fuzz/issues/detail (Third Party Advisory)
- gerrit.libreoffice.org/ (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-10120?
- CVE-2018-10120 is a high-severity vulnerability in Libreoffice, classified under Improper Validation of Array Index. CVSS score: 7.8/10. Published 2018-04-16.
- How severe is CVE-2018-10120?
- High severity. CVSS v3 base score is 7.8 out of 10.