Discover the critical CVE-2022-24768 affecting Argo CD, allowing admin privilege escalation due to improper access controls. Learn how to mitigate and prevent exploitation.
Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes, has been found to have an improper access control vulnerability. Unauthorized versions of Argo CD have a bug that allows a malicious user to potentially escalate their privileges to admin-level.
Understanding CVE-2022-24768
This vulnerability affects unpatched versions of Argo CD, starting from 1.0.0, with limited versions of the issue in 0.8.0 and 0.5.0. Exploits require authorized users to have specific access permissions.
What is CVE-2022-24768?
The CVE-2022-24768 vulnerability in Argo CD enables a malicious user to elevate their privileges to admin-level due to improper access control.
The Impact of CVE-2022-24768
The impact of CVE-2022-24768 is rated as critical, with a high base score and severe confidentiality, integrity, and availability impact.
Technical Details of CVE-2022-24768
The CVSS score for this vulnerability is 9.9, indicating a critical severity level with low attack complexity and network exploitability.
Vulnerability Description
The vulnerability allows an attacker to escalate their privileges to admin-level by exploiting improper access controls in vulnerable versions of Argo CD.
Affected Systems and Versions
Versions affected include Argo CD >= 0.5.0 and < 2.1.14, >= 2.2.0 and < 2.2.8, and >= 2.3.0 and < 2.3.2.
Exploitation Mechanism
Authorized users with specific access permissions can exploit this vulnerability to escalate their privileges within Argo CD.
Mitigation and Prevention
To address CVE-2022-24768, immediate steps should be taken to reduce the risk of privilege escalation and unauthorized access.
Immediate Steps to Take
Limit push access to Application source repositories, 'sync' and 'override' access to Applications, and control user privileges to prevent privilege escalation.
Long-Term Security Practices
Implement strict RBAC policies, regularly review user permissions, and apply security patches and updates promptly to prevent potential exploitation.
Patching and Updates
Make sure to update to the patched versions of Argo CD, specifically versions 2.3.2, 2.2.8, and 2.1.14, to eliminate the vulnerability and enhance the overall security posture.