CVE-2018-10120 Memory corruption in n/a

What is CVE-2018-10120?

CVE-2018-10120 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 15 Apr 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-787, CWE-129

Which versions are affected by CVE-2018-10120?

It affects 6 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Libreoffice Libreoffice, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2018-10120?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-10120 being exploited?

There is no known exploitation of CVE-2018-10120 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-10120, GHSA-m6cw-v9mq-9wmh, UBUNTU-CVE-2018-10120.