CVE-2018-10120 : What You Need to Know

A vulnerability in LibreOffice versions prior to 5.4.6.1 and 6.x prior to 6.0.2.1 could allow remote attackers to trigger a denial of service attack or other consequences.

Understanding CVE-2018-10120

This CVE identifies a specific vulnerability in LibreOffice that could be exploited by attackers.

What is CVE-2018-10120?

The Read function in LibreOffice does not validate a customizations index, potentially leading to a heap-based buffer overflow with write access.

The Impact of CVE-2018-10120

The vulnerability enables remote attackers to trigger a denial of service attack or potentially cause other unspecified consequences by exploiting a crafted document.

Technical Details of CVE-2018-10120

This section provides more technical insights into the vulnerability.

Vulnerability Description

The SwCTBWrapper::Read function in LibreOffice does not validate a customizations index, allowing for a denial of service or other impacts via a crafted document.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Versions prior to 5.4.6.1 and 6.x prior to 6.0.2.1

Exploitation Mechanism

The vulnerability is exploited through a specifically crafted document that includes a particular Microsoft Word record.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-10120 vulnerability.

Immediate Steps to Take

Update LibreOffice to versions 5.4.6.1 or 6.0.2.1 or later.
Be cautious when opening documents from untrusted sources.

Long-Term Security Practices

Regularly update software to the latest versions.
Implement security best practices in document handling.

Patching and Updates

Apply patches provided by LibreOffice to address the vulnerability.