CVE-2024-42915
📋 TL;DR
A host header injection vulnerability in Staff Appraisal System v1.0 allows attackers to craft malicious password reset links that leak reset tokens. Attackers can then reset any user's password and take over their accounts. All users of the vulnerable system are affected.
💻 Affected Systems
- Staff Appraisal System
⚠️ 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
Complete account takeover of all users, including administrators, leading to full system compromise and data exfiltration.
Likely Case
Attackers reset passwords for regular users to gain unauthorized access to sensitive appraisal data and personal information.
If Mitigated
With proper network segmentation and monitoring, impact limited to isolated user accounts with quick detection and remediation.
🎯 Exploit Status
Exploit requires user interaction (clicking malicious link) but is straightforward to execute.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch exists. Consider migrating to a maintained alternative or implementing workarounds.
🔧 Temporary Workarounds
Host Header Validation
allImplement strict validation of Host headers in web server configuration to reject unexpected values.
# Apache: Set UseCanonicalName On and ServerName directive
# Nginx: Use $host variable with explicit allowed domains
Password Reset Token Protection
allModify password reset functionality to use secure, non-predictable tokens and validate request origin.
# Modify password reset logic to include user session validation
# Implement CSRF tokens on reset forms
🧯 If You Can't Patch
- Isolate the system behind a reverse proxy that validates and sanitizes Host headers
- Implement network-level controls to restrict access to the password reset functionality
🔍 How to Verify
Check if Vulnerable:
Test by sending password reset request with manipulated Host header and checking if token leaks in response.Check Version:
Check application version in admin panel or configuration files.Verify Fix Applied:
Verify that password reset tokens are no longer exposed via manipulated Host headers and that reset links are properly validated.📡 Detection & Monitoring
Log Indicators:
- Unusual Host header values in web logs
- Multiple password reset requests from single IP
- Failed login attempts followed by password resets
Network Indicators:
- HTTP requests with manipulated Host headers to password reset endpoints
- Unusual traffic patterns to /reset-password paths
SIEM Query:
source="web_logs" AND (uri_path="/reset-password" OR uri_path="/forgot-password") AND host_header!="expected-domain.com"