CVE-2025-64319
📋 TL;DR
This vulnerability allows attackers to manipulate writeable configuration files in Salesforce Mulesoft Anypoint Code Builder due to incorrect permission assignments. Attackers could modify configuration files to alter application behavior or potentially escalate privileges. This affects all users running vulnerable versions of Mulesoft Anypoint Code Builder.
💻 Affected Systems
- Salesforce Mulesoft Anypoint Code Builder
⚠️ Risk & Real-World Impact
Worst Case
Attackers could modify critical configuration files to execute arbitrary code, compromise the development environment, or gain persistent access to the system.
Likely Case
Attackers with local access could modify configuration files to alter application behavior, disrupt development workflows, or introduce malicious code into projects.
If Mitigated
With proper access controls and monitoring, impact would be limited to configuration changes that could be detected and reverted.
🎯 Exploit Status
Exploitation requires local access to the system running the vulnerable Code Builder application.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.12.1
Vendor Advisory: https://help.salesforce.com/s/articleView?id=005228032&type=1
Restart Required: Yes
Instructions:
1. Open Anypoint Code Builder. 2. Go to Help > Check for Updates. 3. Follow prompts to update to version 1.12.1 or later. 4. Restart the application.
🔧 Temporary Workarounds
Restrict File Permissions
linuxManually adjust permissions on Code Builder configuration directories to restrict write access.
chmod 755 ~/.anypoint-code-builder
chmod 755 ~/.mule
Run as Limited User
allRun Code Builder with a non-administrative user account to limit potential impact.
🧯 If You Can't Patch
- Monitor configuration files for unauthorized changes using file integrity monitoring tools.
- Implement strict access controls to limit who can run Code Builder on development systems.
🔍 How to Verify
Check if Vulnerable:
Check the version in Code Builder: Help > About. If version is below 1.12.1, you are vulnerable.Check Version:
Check Help > About menu in the application GUIVerify Fix Applied:
Verify version is 1.12.1 or higher in Help > About. Check that configuration files have appropriate permissions.📡 Detection & Monitoring
Log Indicators:
- Unexpected modifications to .anypoint-code-builder or .mule configuration files
- Failed permission checks in application logs
Network Indicators:
- No network indicators - this is a local file system vulnerability
SIEM Query:
EventID=4663 AND ObjectName LIKE '%\.anypoint-code-builder%' OR ObjectName LIKE '%\.mule%' AND AccessMask IN ('WRITE_DAC', 'WRITE_OWNER', 'WRITE_DATA')