Learn about CVE-2022-27652 affecting cri-o and Moby (Docker Engine) containers, facilitating privilege escalation. Find mitigation steps and best practices for enhanced cybersecurity.
A flaw was found in cri-o and Moby (Docker Engine) that allowed containers to start incorrectly with non-empty default permissions and inheritable Linux process capabilities, respectively. This vulnerability could be exploited by an attacker to elevate capabilities when execve(2) runs.
Understanding CVE-2022-27652
This CVE affects cri-o and Moby (Docker Engine) containers, leading to potential privilege escalation.
What is CVE-2022-27652?
The vulnerability in cri-o and Moby (Docker Engine) allows attackers with access to programs with inheritable capabilities to elevate them during execution.
The Impact of CVE-2022-27652
The flaw enables unauthorized access to elevated privileges, posing a significant security risk to affected systems.
Technical Details of CVE-2022-27652
This section provides insights into the vulnerability's description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
Containers in cri-o and Moby (Docker Engine) start with non-empty permissions, which can be exploited maliciously for privilege escalation.
Affected Systems and Versions
All versions of cri-o are affected by this vulnerability, exposing systems to potential security breaches.
Exploitation Mechanism
Attackers with access to inheritable capabilities can misuse this flaw during the execution process to gain unauthorized privileges.
Mitigation and Prevention
Discover immediate steps and best practices for securing systems against CVE-2022-27652.
Immediate Steps to Take
Administrators are advised to apply patches promptly and enforce strict container security measures to mitigate risks.
Long-Term Security Practices
Implement proper container security protocols, restrict access to critical capabilities, and monitor container activities for suspicious behavior.
Patching and Updates
Regularly update cri-o and Moby (Docker Engine) to the latest secure versions and stay informed about security advisories for timely mitigation.