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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.10% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-129, CWE-787
- Affected
- debian/debian linux · libreoffice/libreoffice · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- https://access.redhat.com/errata/RHSA-2018:3054Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6173Third Party Advisory
- https://gerrit.libreoffice.org/#/c/49486/Patch, Vendor Advisory
- https://gerrit.libreoffice.org/#/c/49499/Patch, Vendor Advisory
- https://gerrit.libreoffice.org/#/c/49500/Patch, Vendor Advisory
- https://gerrit.libreoffice.org/gitweb?p=core.git%3Ba=commit%3Bh=017fcc2fcd00af17a97bd5463d89662404f57667
- https://lists.debian.org/debian-lts-announce/2018/04/msg00021.htmlThird Party Advisory
- https://usn.ubuntu.com/3883-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4178Third Party Advisory
- https://www.libreoffice.org/about-us/security/advisories/cve-2018-10120/Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3054Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6173Third Party Advisory
- https://gerrit.libreoffice.org/#/c/49486/Patch, Vendor Advisory
- https://gerrit.libreoffice.org/#/c/49499/Patch, Vendor Advisory
- https://gerrit.libreoffice.org/#/c/49500/Patch, Vendor Advisory
- https://gerrit.libreoffice.org/gitweb?p=core.git%3Ba=commit%3Bh=017fcc2fcd00af17a97bd5463d89662404f57667
- https://lists.debian.org/debian-lts-announce/2018/04/msg00021.htmlThird Party Advisory
- https://usn.ubuntu.com/3883-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4178Third Party Advisory
- https://www.libreoffice.org/about-us/security/advisories/cve-2018-10120/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.