CVE-2022-28224 : Exploit Details and Defense Strategies
Learn about CVE-2022-28224 affecting Calico and Calico Enterprise. Understand the vulnerability impact, affected versions, and mitigation steps to secure your systems.
Calico and Calico Enterprise may be vulnerable to route hijacking with the floating IP feature.
Understanding CVE-2022-28224
This CVE affects Calico and Calico Enterprise versions, potentially leading to route hijacking with the floating IP feature.
What is CVE-2022-28224?
Clusters using Calico (version 3.22.1 and below), Calico Enterprise (version 3.12.0 and below), may be vulnerable to route hijacking due to insufficient validation.
The Impact of CVE-2022-28224
A privileged attacker could exploit this vulnerability to intercept and reroute traffic using the floating IP annotation.
Technical Details of CVE-2022-28224
Vulnerability Description
The vulnerability in Calico and Calico Enterprise allows attackers to set a floating IP annotation to a pod, even if the feature is not enabled.
Affected Systems and Versions
- Calico: Version 3.22.1 and below
- Calico Enterprise: Version 3.12.0 and below
Exploitation Mechanism
The attacker with high privileges could hijack routes by manipulating the floating IP annotation.
Mitigation and Prevention
Immediate Steps to Take
Users should update Calico to versions above 3.22.1 and Calico Enterprise to versions above 3.12.0 to mitigate the risk.
Long-Term Security Practices
Implementing network segmentation and restricting privileged access can enhance overall security posture.
Patching and Updates
Regularly monitor for security updates and apply patches promptly to address known vulnerabilities.