CVE-2019-11580 : What You Need to Know
Learn about CVE-2019-11580 affecting Atlassian Crowd and Crowd Data Center. Find out how attackers exploit the vulnerability, impacted versions, and steps to prevent remote code execution.
Atlassian Crowd and Crowd Data Center had a misconfiguration that allowed attackers to exploit a vulnerability, leading to remote code execution on affected systems.
Understanding CVE-2019-11580
What is CVE-2019-11580?
The vulnerability stemmed from the incorrect enabling of the pdkinstall development plugin in release builds of Atlassian Crowd and Crowd Data Center. This misconfiguration enabled attackers to install arbitrary plugins, facilitating remote code execution on vulnerable systems.
The Impact of CVE-2019-11580
The vulnerability affects versions 2.1.0 to 3.0.5, 3.1.0 to 3.1.6, 3.2.0 to 3.2.8, 3.3.0 to 3.3.5, and 3.4.0 to 3.4.4 of Crowd and Crowd Data Center.
Technical Details of CVE-2019-11580
Vulnerability Description
- Misconfiguration in release builds of Atlassian Crowd and Crowd Data Center
- Enabled pdkinstall development plugin
- Allows installation of arbitrary plugins and remote code execution
Affected Systems and Versions
- Versions 2.1.0 to 3.0.5, 3.1.0 to 3.1.6, 3.2.0 to 3.2.8, 3.3.0 to 3.3.5, and 3.4.0 to 3.4.4 of Crowd and Crowd Data Center
Exploitation Mechanism
- Attackers send unauthenticated or authenticated requests to exploit the vulnerability
- Installation of arbitrary plugins leading to remote code execution
Mitigation and Prevention
Immediate Steps to Take
- Disable the pdkinstall development plugin
- Apply patches provided by Atlassian
- Monitor for any unauthorized plugin installations
Long-Term Security Practices
- Regularly update and patch Atlassian Crowd and Crowd Data Center
- Conduct security audits to identify and address vulnerabilities
Patching and Updates
- Ensure all systems are updated with the latest security patches from Atlassian