Vulnerability Details : 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.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2018-10120
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*
- cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-10120
4.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-10120
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-10120
-
The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.Assigned by: nvd@nist.gov (Primary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-10120
-
https://gerrit.libreoffice.org/#/c/49499/
Change I09d15ab3: ofz#6173 check index before use | gerrit.libreoffice Code ReviewPatch;Vendor Advisory
-
https://www.debian.org/security/2018/dsa-4178
Debian -- Security Information -- DSA-4178-1 libreofficeThird Party Advisory
-
https://gerrit.libreoffice.org/#/c/49500/
Change I09d15ab3: ofz#6173 check index before use | gerrit.libreoffice Code ReviewPatch;Vendor Advisory
-
https://gerrit.libreoffice.org/gitweb?p=core.git;a=commit;h=017fcc2fcd00af17a97bd5463d89662404f57667
017fcc2fcd00af17a97bd5463d89662404f57667 - core - GitilesPatch;Vendor Advisory
-
https://usn.ubuntu.com/3883-1/
USN-3883-1: LibreOffice vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://gerrit.libreoffice.org/#/c/49486/
Change I09d15ab3: ofz#6173 check index before use | gerrit.libreoffice Code ReviewPatch;Vendor Advisory
-
https://www.libreoffice.org/about-us/security/advisories/cve-2018-10120/
CVE-2018-10120 | LibreOffice - Free Office Suite - Fun Project - Fantastic PeopleVendor Advisory
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6173
6173 - libreoffice/ww8fuzzer: Heap-buffer-overflow in SwCTBWrapper::Read - oss-fuzz - MonorailThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2018:3054
RHSA-2018:3054 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/04/msg00021.html
[SECURITY] [DLA 1356-1] libreoffice security updateThird Party Advisory
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