CVE-2022-25173
📋 TL;DR
This vulnerability in Jenkins Pipeline: Groovy Plugin allows attackers with Item/Configure permission to execute arbitrary operating system commands on the Jenkins controller by exploiting shared checkout directories between different SCMs. It affects Jenkins instances using the vulnerable plugin version, potentially leading to full system compromise.
💻 Affected Systems
- Jenkins Pipeline: Groovy Plugin
📦 What is this software?
Pipeline\ by Jenkins
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the Jenkins controller with arbitrary command execution, leading to data theft, lateral movement, or ransomware deployment.
Likely Case
Attackers with Item/Configure permission execute commands to steal credentials, modify pipelines, or deploy malware.
If Mitigated
Limited impact if proper access controls restrict Item/Configure permissions to trusted users only.
🎯 Exploit Status
Exploitation requires Item/Configure permission and knowledge of Jenkins pipeline scripting.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2648.va9433432b33c_rc or later
Vendor Advisory: https://www.jenkins.io/security/advisory/2022-02-15/#SECURITY-2463
Restart Required: Yes
Instructions:
1. Update Jenkins Pipeline: Groovy Plugin to version 2648.va9433432b33c_rc or later via Jenkins Plugin Manager. 2. Restart Jenkins to apply the update.
🔧 Temporary Workarounds
Restrict Item/Configure Permissions
allLimit Item/Configure permissions to only trusted administrators to reduce attack surface.
🧯 If You Can't Patch
- Implement strict access controls to limit Item/Configure permissions to essential users only.
- Monitor Jenkins logs for unusual pipeline modifications or command execution attempts.
🔍 How to Verify
Check if Vulnerable:
Check Jenkins Plugin Manager for Jenkins Pipeline: Groovy Plugin version. If version is 2648.va9433432b33c or earlier, the system is vulnerable.Check Version:
Navigate to Jenkins > Manage Jenkins > Plugin Manager and check installed version of 'Pipeline: Groovy Plugin'.Verify Fix Applied:
Verify plugin version is 2648.va9433432b33c_rc or later in Jenkins Plugin Manager.📡 Detection & Monitoring
Log Indicators:
- Unusual pipeline modifications
- Unexpected SCM checkout activities
- OS command execution in pipeline logs
Network Indicators:
- Unusual outbound connections from Jenkins controller
SIEM Query:
source="jenkins.log" AND ("Pipeline: Groovy" OR "SCM checkout") AND ("command" OR "execute")