CVE-2022-31247 : Vulnerability Insights and Analysis
Learn about CVE-2022-31247, an Improper Authorization vulnerability in SUSE Rancher allowing unauthorized users to gain owner permissions in downstream clusters.
An Improper Authorization vulnerability in SUSE Rancher allows users with specific permissions to escalate privileges in downstream clusters through cluster and project role template bindings.
Understanding CVE-2022-31247
This vulnerability in SUSE Rancher affects versions prior to 2.6.7 and 2.5.16 and enables unauthorized users to gain owner permissions in different projects within the same or different clusters.
What is CVE-2022-31247?
The CVE-2022-31247 vulnerability in SUSE Rancher allows users with specific permissions to gain owner permissions in other projects within the same or different clusters, leading to privilege escalation.
The Impact of CVE-2022-31247
The impact of this vulnerability is critical, with a CVSS base score of 9.1. It can result in high confidentiality and integrity impact, along with a changed scope and high availability impact.
Technical Details of CVE-2022-31247
This section covers the technical aspects of the CVE-2022-31247 vulnerability.
Vulnerability Description
The vulnerability arises from an Improper Authorization issue in SUSE Rancher, allowing unauthorized users to escalate privileges through cluster and project role template bindings.
Affected Systems and Versions
SUSE Rancher versions prior to 2.6.7 and 2.5.16 are affected by this vulnerability, exposing clusters to privilege escalation risks.
Exploitation Mechanism
Unauthorized users with permissions to create/edit cluster role template bindings or project role template bindings can exploit this vulnerability to gain owner permissions in different projects.
Mitigation and Prevention
Protecting systems from CVE-2022-31247 requires immediate action and long-term security measures.
Immediate Steps to Take
Immediately update SUSE Rancher to versions 2.6.7 or 2.5.16 to mitigate the vulnerability. Restrict user permissions to minimize the risk of privilege escalation.
Long-Term Security Practices
Implement robust access controls, regularly review and update permissions, conduct security audits, and educate users on secure practices to prevent similar vulnerabilities.
Patching and Updates
Regularly monitor for security patches and updates for SUSE Rancher to address vulnerabilities and strengthen overall system security.