CVE-2022-34200
📋 TL;DR
This CSRF vulnerability in Jenkins Convertigo Mobile Platform Plugin allows attackers to trick authenticated users into making unintended requests to attacker-controlled URLs. Attackers could potentially connect Jenkins to malicious servers, leading to data exposure or further compromise. Organizations using Jenkins with this plugin version 1.1 or earlier are affected.
💻 Affected Systems
- Jenkins Convertigo Mobile Platform Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could connect Jenkins to malicious servers, potentially leading to data exfiltration, credential theft, or deployment of malicious code through the Jenkins pipeline.
Likely Case
Attackers could redirect Jenkins connections to attacker-controlled servers, potentially intercepting sensitive data or manipulating build processes.
If Mitigated
With proper CSRF protections and network segmentation, impact would be limited to isolated plugin functionality with minimal data exposure.
🎯 Exploit Status
Exploitation requires tricking authenticated users into visiting malicious pages while logged into Jenkins
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2
Vendor Advisory: https://www.jenkins.io/security/advisory/2022-06-22/#SECURITY-2276
Restart Required: Yes
Instructions:
1. Access Jenkins web interface as administrator
2. Navigate to Manage Jenkins > Manage Plugins
3. Go to Available tab and search for 'Convertigo Mobile Platform'
4. Update plugin to version 1.2 or later
5. Restart Jenkins after installation
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patching is possible
java -jar jenkins-cli.jar -s http://jenkins-url:8080/ disable-plugin convertigo-mobile-platform
Enable CSRF Protection
allEnsure Jenkins CSRF protection is enabled globally
Check: Manage Jenkins > Configure Global Security > Enable 'Prevent Cross Site Request Forgery exploits'
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Jenkins from external networks
- Use browser extensions that block CSRF attempts and enforce same-origin policies
🔍 How to Verify
Check if Vulnerable:
Check plugin version in Jenkins web interface: Manage Jenkins > Manage Plugins > Installed tab, look for Convertigo Mobile Platform Plugin versionCheck Version:
java -jar jenkins-cli.jar -s http://jenkins-url:8080/ list-plugins | grep convertigoVerify Fix Applied:
Verify plugin version shows 1.2 or higher in Manage Plugins > Installed tab📡 Detection & Monitoring
Log Indicators:
- Unusual connection attempts to external URLs from Jenkins
- Plugin configuration changes without administrator action
Network Indicators:
- Jenkins server making unexpected outbound connections to unknown domains
- HTTP requests with CSRF tokens missing or invalid
SIEM Query:
source="jenkins.log" AND ("convertigo" OR "CSRF" OR "cross-site")