CVE-2020-10676 Explained : Impact and Mitigation
Learn about CVE-2020-10676, a vulnerability in Rancher 2.x before 2.6.13 and 2.7.x before 2.7.4 allowing unauthorized users to move namespaces across projects. Find mitigation steps and updates here.
Rancher 2.x before 2.6.13 and 2.7.x before 2.7.4 allows unauthorized users to move namespaces to different projects due to an incorrectly applied authorization check.
Understanding CVE-2020-10676
This CVE identifies a vulnerability in Rancher versions 2.x before 2.6.13 and 2.7.x before 2.7.4 that could be exploited by users with specific access permissions.
What is CVE-2020-10676?
The vulnerability in Rancher allows users with certain access to a namespace to move that namespace to a different project, bypassing proper authorization checks.
The Impact of CVE-2020-10676
Unauthorized users could potentially manipulate namespaces, leading to unauthorized access or data breaches within the affected Rancher versions.
Technical Details of CVE-2020-10676
Rancher 2.x before 2.6.13 and 2.7.x before 2.7.4 are affected by this vulnerability.
Vulnerability Description
The issue arises from an incorrectly applied authorization check, enabling users to move namespaces across projects.
Affected Systems and Versions
- Vendor: n/a
- Product: n/a
- Versions: All versions of Rancher 2.x before 2.6.13 and 2.7.x before 2.7.4 are impacted.
Exploitation Mechanism
Unauthorized users with specific access to a namespace can exploit this vulnerability to move the namespace to a different project without proper authorization.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Upgrade Rancher to versions 2.6.13 or 2.7.4, where the issue has been resolved.
- Review and adjust user access permissions to prevent unauthorized namespace movements.
Long-Term Security Practices
- Regularly review and update access controls and authorization mechanisms.
- Conduct security training for users to raise awareness about proper data handling and access protocols.
Patching and Updates
- Apply patches and updates provided by Rancher promptly to ensure the security of the system and prevent exploitation of known vulnerabilities.