CVE-2022-27199 : Exploit Details and Defense Strategies

A missing permission check in Jenkins CloudBees AWS Credentials Plugin 189.v3551d5642995 and earlier allows attackers with Overall/Read permission to connect to an AWS service using an attacker-specified token.

Understanding CVE-2022-27199

This CVE details a vulnerability in the Jenkins CloudBees AWS Credentials Plugin that could be exploited by attackers with specific permissions to connect to an AWS service.

What is CVE-2022-27199?

CVE-2022-27199 is a vulnerability found in Jenkins CloudBees AWS Credentials Plugin versions 189.v3551d5642995 and earlier, allowing attackers with Overall/Read permission to use an attacker-specific token to connect to AWS services.

The Impact of CVE-2022-27199

The impact of this vulnerability is significant as it provides an opportunity for unauthorized individuals to access AWS services through Jenkins CloudBees AWS Credentials Plugin.

Technical Details of CVE-2022-27199

This section provides more insight into the technical aspects of the CVE, including the vulnerability description, affected systems and versions, and exploitation mechanisms.

Vulnerability Description

The vulnerability arises from a missing permission check in the affected plugin, enabling attackers with specific privileges to bypass authorization controls and connect to AWS services.

Affected Systems and Versions

The Jenkins CloudBees AWS Credentials Plugin versions up to 189.v3551d5642995 are affected by this vulnerability. Specifically, versions 1.28.2 and 1.32.1 are unaffected.

Exploitation Mechanism

By leveraging the security gap in the plugin, attackers with Overall/Read permission can exploit this vulnerability to establish unauthorized connections to AWS services.

Mitigation and Prevention

To address CVE-2022-27199, organizations and users must take immediate steps to mitigate the risk and implement long-term security practices to prevent similar incidents in the future.

Immediate Steps to Take

Immediate mitigation steps include disabling the vulnerable plugin, monitoring AWS service connections, and reviewing access permissions within Jenkins.

Long-Term Security Practices

Implementing strict permission controls, regularly updating Jenkins plugins, and conducting security audits are essential long-term security practices to prevent similar vulnerabilities.

Patching and Updates

Ensure that Jenkins CloudBees AWS Credentials Plugin is updated to version 1.32.1 or newer to mitigate the vulnerability and apply necessary security patches.