CVE-2020-11009 : Exploit Details and Defense Strategies

In Rundeck before version 3.2.6, authenticated users can craft a request that reveals Execution data and logs and Job details that they are not authorized to see. This vulnerability is patched in version 3.2.6.

Understanding CVE-2020-11009

In this CVE, an Insecure Direct Object Reference (IDOR) vulnerability in Rundeck allows authenticated users to access sensitive information they are not authorized to view.

What is CVE-2020-11009?

In Rundeck versions prior to 3.2.6, users could manipulate requests to expose execution data, logs, and job details not meant for their access.
The severity of this vulnerability varies based on Rundeck's configuration and user access levels.

The Impact of CVE-2020-11009

CVSS Base Score: 6.5 (Medium Severity)
Confidentiality Impact: High
Attack Vector: Network
Unauthorized users could potentially access sensitive data, posing risks to confidentiality.

Technical Details of CVE-2020-11009

Rundeck's vulnerability details and affected systems.

Vulnerability Description

Authenticated users can exploit IDOR to access unauthorized execution data and logs in Rundeck.

Affected Systems and Versions

Affected Product: Rundeck
Vendor: Rundeck
Vulnerable Versions: < 3.2.6

Exploitation Mechanism

Crafted requests by authenticated users can reveal sensitive execution data and job details.

Mitigation and Prevention

Protecting systems from CVE-2020-11009.

Immediate Steps to Take

Upgrade Rundeck to version 3.2.6 or newer to patch the vulnerability.
Review and restrict user access permissions to minimize exposure of sensitive data.

Long-Term Security Practices

Regularly monitor and audit user activities within Rundeck to detect unauthorized access attempts.
Implement least privilege principles to limit user access to only necessary resources.

Patching and Updates

Stay informed about security advisories and promptly apply patches and updates to mitigate known vulnerabilities.