CVE-2024-27764
📋 TL;DR
A privilege escalation vulnerability in Jeewms versions 3.7 and earlier allows remote attackers to bypass authentication controls via the AuthInterceptor component. This affects all deployments running vulnerable versions of the Jeewms warehouse management system.
💻 Affected Systems
- Jeewms
📦 What is this software?
Jeewms by Jeewms
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with administrative access, allowing data theft, system manipulation, or ransomware deployment.
Likely Case
Unauthorized access to sensitive warehouse management data, inventory manipulation, or privilege escalation to administrative functions.
If Mitigated
Limited impact with proper network segmentation and authentication controls in place.
🎯 Exploit Status
Public issue tracker contains technical details that could facilitate exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://gitee.com/erzhongxmu/JEEWMS/issues/I8YN90
Restart Required: Yes
Instructions:
1. Monitor the official repository for patches. 2. Upgrade to a fixed version when available. 3. Restart the Jeewms application after patching.
🔧 Temporary Workarounds
Network Access Restriction
linuxRestrict network access to Jeewms to trusted IP addresses only.
iptables -A INPUT -p tcp --dport [jeewms_port] -s [trusted_ip] -j ACCEPT
iptables -A INPUT -p tcp --dport [jeewms_port] -j DROP
Authentication Layer Enhancement
allImplement additional authentication checks before the vulnerable AuthInterceptor component.
🧯 If You Can't Patch
- Isolate Jeewms systems on a separate network segment with strict access controls.
- Implement web application firewall (WAF) rules to detect and block exploitation attempts.
🔍 How to Verify
Check if Vulnerable:
Check Jeewms version in application interface or configuration files. If version is 3.7 or earlier, system is vulnerable.Check Version:
Check application web interface or configuration files for version information.Verify Fix Applied:
Verify version is higher than 3.7 and test authentication bypass attempts fail.📡 Detection & Monitoring
Log Indicators:
- Unusual authentication bypass attempts
- Multiple failed login attempts followed by successful privileged access
- Requests to AuthInterceptor with unusual parameters
Network Indicators:
- HTTP requests attempting to manipulate authentication headers or parameters
- Traffic patterns showing privilege escalation attempts
SIEM Query:
source="jeewms" AND (event_type="auth_bypass" OR status="privilege_escalation")