CVE-2025-1226
📋 TL;DR
This critical vulnerability in ywoa allows remote attackers to bypass authorization controls via the /oa/setup/setup.jsp file. It affects all ywoa installations up to version 2024.07.03, potentially enabling unauthorized access to sensitive functionality. Organizations using vulnerable versions should prioritize patching.
💻 Affected Systems
- ywoa
📦 What is this software?
Yimioa by R1bbit
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to gain administrative privileges, access sensitive data, or execute arbitrary code on the server.
Likely Case
Unauthorized access to administrative functions, data exfiltration, or configuration manipulation leading to further exploitation.
If Mitigated
Limited impact with proper network segmentation, strong authentication, and monitoring in place to detect unauthorized access attempts.
🎯 Exploit Status
Exploit details have been publicly disclosed, making this easily weaponizable by attackers with minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2024.07.04
Vendor Advisory: https://gitee.com/r1bbit/yimioa/issues/IBI7PG
Restart Required: Yes
Instructions:
1. Download ywoa version 2024.07.04 from official sources. 2. Backup current installation and data. 3. Stop ywoa service. 4. Replace files with patched version. 5. Restart ywoa service. 6. Verify functionality.
🔧 Temporary Workarounds
Block setup.jsp access
allRestrict access to the vulnerable file using web server configuration or firewall rules
# Apache: RewriteRule ^/oa/setup/setup\.jsp$ - [F,L]
# Nginx: location ~ ^/oa/setup/setup\.jsp$ { return 403; }
# Firewall: iptables -A INPUT -p tcp --dport 80 -m string --string '/oa/setup/setup.jsp' --algo bm -j DROP
Remove setup.jsp file
linuxDelete or rename the vulnerable file if setup functionality is not required
rm /path/to/ywoa/oa/setup/setup.jsp
mv /path/to/ywoa/oa/setup/setup.jsp /path/to/ywoa/oa/setup/setup.jsp.bak
🧯 If You Can't Patch
- Implement strict network access controls to limit access to ywoa only from trusted IP addresses
- Deploy a web application firewall (WAF) with rules to block requests to /oa/setup/setup.jsp
🔍 How to Verify
Check if Vulnerable:
Check if /oa/setup/setup.jsp exists and is accessible without proper authorization, or verify ywoa version is 2024.07.03 or earlier
Check Version:
Check ywoa web interface admin panel or configuration files for version information
Verify Fix Applied:
Confirm ywoa version is 2024.07.04 or later, and test that /oa/setup/setup.jsp requires proper authentication or returns 403/404
📡 Detection & Monitoring
Log Indicators:
- HTTP requests to /oa/setup/setup.jsp from unauthorized IPs
- Unusual authentication bypass patterns
- Multiple failed authorization attempts followed by successful access
Network Indicators:
- Unusual traffic patterns to setup.jsp endpoint
- Requests to setup.jsp from external IPs
SIEM Query:
source="web_server" AND (url="/oa/setup/setup.jsp" OR url="*/setup.jsp") AND (response_code=200 OR auth_result="success")