CVE-2019-9847 : Vulnerability Insights and Analysis

A security flaw in LibreOffice allows the unconditional execution of executable files when hyperlinks are activated.

Understanding CVE-2019-9847

What is CVE-2019-9847?

A vulnerability in LibreOffice enables attackers to create documents with hyperlinks that launch executable files on the victim's system without conditions.

The Impact of CVE-2019-9847

This vulnerability affects versions of LibreOffice prior to 6.1.6 and versions in the 6.2 series up to 6.2.3 on Windows and macOS systems.

Technical Details of CVE-2019-9847

Vulnerability Description

The flaw in LibreOffice allows the creation of documents with hyperlinks that directly launch executable files when activated.

Affected Systems and Versions

LibreOffice versions before 6.1.6 on Windows and macOS
LibreOffice versions in the 6.2 series before 6.2.3 on Windows and macOS

Exploitation Mechanism

Attackers can craft documents with hyperlinks pointing to executable files, which are launched unconditionally when activated.

Mitigation and Prevention

Immediate Steps to Take

Upgrade to LibreOffice 6.1.6 or 6.2.3 to mitigate the vulnerability

Long-Term Security Practices

Avoid clicking on hyperlinks in documents from untrusted sources
Regularly update LibreOffice to the latest version
Implement security best practices to prevent malicious document execution
Educate users on safe document handling practices

Patching and Updates

Ensure timely installation of security patches and updates provided by LibreOffice.