CVE-2024-25738
📋 TL;DR
A Server-Side Request Forgery (SSRF) vulnerability in VuFind's /Upgrade/FixConfig route allows attackers to overwrite local configuration files. This can lead to administrator panel access and remote code execution. Affected systems are VuFind 2.0 through 9.1 before 9.1.1 with the /Upgrade route exposed and allow_url_include enabled.
💻 Affected Systems
- Open Library Foundation VuFind
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution with full system compromise, allowing attacker to execute arbitrary commands, access sensitive data, and maintain persistence.
Likely Case
Administrator panel access leading to configuration manipulation, data exposure, and potential privilege escalation.
If Mitigated
Limited impact if allow_url_include is disabled and /Upgrade route is restricted, potentially only information disclosure.
🎯 Exploit Status
Exploitation requires specific conditions but is unauthenticated once those conditions are met.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 9.1.1
Vendor Advisory: https://vufind.org/wiki/security:cve-2024-25738
Restart Required: Yes
Instructions:
1. Upgrade VuFind to version 9.1.1 or later. 2. Restart the web server. 3. Verify the /Upgrade route is properly secured.
🔧 Temporary Workarounds
Disable /Upgrade route
allSet autoConfigure to false in config.ini to disable the vulnerable /Upgrade route.
Edit config.ini and set: autoConfigure = false
Disable allow_url_include
allEnsure PHP's allow_url_include setting is disabled in php.ini.
Edit php.ini and set: allow_url_include = Off
🧯 If You Can't Patch
- Apply both workarounds: disable /Upgrade route and ensure allow_url_include is off.
- Implement network segmentation to restrict access to VuFind instance from untrusted networks.
🔍 How to Verify
Check if Vulnerable:
Check if VuFind version is between 2.0 and 9.1 (excluding 9.1.1) and if /Upgrade route is accessible.Check Version:
Check the VUFIND_VERSION constant in web/interface/bootstrap.php or use the admin panel.Verify Fix Applied:
Verify version is 9.1.1 or later and test that /Upgrade/FixConfig no longer accepts malicious input.📡 Detection & Monitoring
Log Indicators:
- Unusual requests to /Upgrade/FixConfig with external URLs
- Configuration file modification events
Network Indicators:
- HTTP requests to /Upgrade/FixConfig with URL parameters from untrusted sources
SIEM Query:
web_access_logs WHERE uri LIKE '%/Upgrade/FixConfig%' AND (query_string CONTAINS 'http://' OR query_string CONTAINS 'https://')