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CVE-2019-10100 : What You Need to Know

Learn about CVE-2019-10100, a vulnerability in JetBrains YouTrack Confluence plugin versions before 1.8.1.3 allowing remote code execution. Find mitigation steps and prevention measures.

In versions older than 1.8.1.3 of the JetBrains YouTrack Confluence plugin, a Server Side Template Injection vulnerability allowed attackers to execute remote code by manipulating an Issue macro in a Confluence page.

Understanding CVE-2019-10100

What is CVE-2019-10100?

In JetBrains YouTrack Confluence plugin versions before 1.8.1.3, attackers could exploit a Server Side Template Injection vulnerability by inserting an Issue macro into a Confluence page.

The Impact of CVE-2019-10100

The vulnerability enabled attackers to execute code remotely by leveraging a valid id field and specially crafted code in the link-text-template field.

Technical Details of CVE-2019-10100

Vulnerability Description

Attackers could exploit the Server Side Template Injection vulnerability in older plugin versions by manipulating an Issue macro in a Confluence page.

Affected Systems and Versions

        Product: JetBrains YouTrack Confluence plugin
        Versions affected: Older than 1.8.1.3

Exploitation Mechanism

        Attackers inserted an Issue macro into a Confluence page
        Leveraged a valid id field and crafted code in the link-text-template field

Mitigation and Prevention

Immediate Steps to Take

        Update the JetBrains YouTrack Confluence plugin to version 1.8.1.3 or newer
        Monitor for any unusual activities on Confluence pages

Long-Term Security Practices

        Regularly update all software and plugins to the latest versions
        Educate users on safe practices to prevent code injection attacks

Patching and Updates

        Apply security patches promptly to mitigate known vulnerabilities

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