CVE-2024-43442

4.9 MEDIUM

📋 TL;DR

This vulnerability allows an authenticated admin attacker to inject malicious scripts into OTRS System Configuration modules, which then execute in other admin users' browsers. It affects OTRS versions 7.0.X through 7.0.50, 8.0.X, 2023.X, 2024.X through 2024.5.X, and Community Edition 6.0.x. Products based on OTRS Community Edition are also likely affected.

💻 Affected Systems

Products:
  • OTRS
  • OTRS Community Edition
Versions: OTRS 7.0.X through 7.0.50, 8.0.X, 2023.X, 2024.X through 2024.5.X; Community Edition 6.0.x
Operating Systems: All platforms running affected OTRS versions
Default Config Vulnerable: ⚠️ Yes
Notes: Products based on OTRS Community Edition are also very likely to be affected. Requires admin privileges to exploit.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

An attacker with admin privileges could steal session cookies, perform actions as other admins, or redirect users to malicious sites, potentially leading to full system compromise.

🟠

Likely Case

An attacker with admin access could perform session hijacking against other administrators, leading to unauthorized administrative actions.

🟢

If Mitigated

With proper input validation and output encoding, the malicious scripts would be neutralized before reaching other users' browsers.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires admin privileges and targets other admin users through the System Configuration interface.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check vendor advisory for specific patched versions

Vendor Advisory: https://otrs.com/release-notes/otrs-security-advisory-2024-10/

Restart Required: Yes

Instructions:

1. Review the vendor advisory for specific patched versions. 2. Apply the appropriate security update for your OTRS version. 3. Restart the OTRS service. 4. Verify the fix by checking the version and testing the System Configuration interface.

🔧 Temporary Workarounds

Input Validation Enhancement

all

Implement additional input validation and output encoding in System Configuration modules

Admin Privilege Restriction

all

Temporarily restrict admin privileges to only essential personnel

🧯 If You Can't Patch

  • Implement strict Content Security Policy (CSP) headers to mitigate XSS impact
  • Monitor admin user activity and System Configuration changes for suspicious behavior

🔍 How to Verify

Check if Vulnerable:

Check your OTRS version against affected versions listed in the advisory

Check Version:

Check OTRS admin interface or configuration files for version information

Verify Fix Applied:

Verify OTRS version is updated to a patched version and test System Configuration interface for script injection

📡 Detection & Monitoring

Log Indicators:

  • Unusual admin activity in System Configuration modules
  • Suspicious script-like content in configuration changes

Network Indicators:

  • Unexpected outbound connections from admin sessions
  • Suspicious JavaScript payloads in HTTP requests

SIEM Query:

Search for admin user actions containing script tags or JavaScript functions in System Configuration logs

🔗 References

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