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CVE-2020-13958 : Security Advisory and Response

Learn about CVE-2020-13958, a vulnerability in Apache OpenOffice allowing attackers to create documents with executable hyperlinks. Find out the impact, affected versions, and mitigation steps.

A vulnerability in Apache OpenOffice scripting events allows an attacker to construct documents containing hyperlinks pointing to an executable on the target user's file system. This can be triggered unconditionally.

Understanding CVE-2020-13958

This CVE identifies a security flaw in Apache OpenOffice that enables the creation of malicious documents with executable hyperlinks.

What is CVE-2020-13958?

The vulnerability in Apache OpenOffice scripting events permits the inclusion of hyperlinks in documents that can execute commands on the user's system.

The Impact of CVE-2020-13958

The vulnerability allows attackers to craft documents with harmful hyperlinks that can be activated without user interaction, posing a significant security risk.

Technical Details of CVE-2020-13958

Apache OpenOffice versions 4.0 to 4.1.7 are affected by this vulnerability.

Vulnerability Description

        Attackers can create documents with hyperlinks to execute commands on the user's file system.
        Fixed versions restrict internal protocol calls from the document event handler.

Affected Systems and Versions

        Product: Apache OpenOffice
        Versions: 4.0 to 4.1.7

Exploitation Mechanism

        Malicious actors can embed hyperlinks in documents to trigger unauthorized commands.
        Control-click is required for other hyperlinks to execute.

Mitigation and Prevention

Taking immediate action and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2020-13958.

Immediate Steps to Take

        Avoid opening suspicious documents or hyperlinks from untrusted sources.
        Update Apache OpenOffice to the latest version to patch the vulnerability.

Long-Term Security Practices

        Regularly update software and applications to prevent known vulnerabilities.
        Educate users on safe document handling practices to minimize risks.

Patching and Updates

        Apply patches and updates provided by Apache OpenOffice to address the vulnerability.

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