CVE-2025-9461
📋 TL;DR
This CVE describes an information disclosure vulnerability in diyhi bbs versions up to 6.8. Attackers can exploit a flaw in the File Compression Handler component to access sensitive information by manipulating the idGroup parameter. Organizations running vulnerable versions of diyhi bbs are affected.
💻 Affected Systems
- diyhi bbs
📦 What is this software?
Bbs by Diyhi
⚠️ Risk & Real-World Impact
Worst Case
Sensitive system information, configuration details, or user data could be exposed to unauthorized remote attackers.
Likely Case
Limited information disclosure revealing system paths, configuration parameters, or internal file structures.
If Mitigated
No data exposure if proper input validation and access controls are implemented.
🎯 Exploit Status
Exploit details are publicly available on GitHub. Requires manipulation of idGroup parameter.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 6.9 or later
Vendor Advisory: Not provided in CVE details
Restart Required: No
Instructions:
1. Check current diyhi bbs version. 2. Upgrade to version 6.9 or later. 3. Verify the FilePackageManageAction.java file has been updated.
🔧 Temporary Workarounds
Input Validation Filter
allImplement server-side validation for idGroup parameter to prevent malicious input
Implement input validation in FilePackageManageAction.java to sanitize idGroup parameter
🧯 If You Can't Patch
- Implement WAF rules to block suspicious requests to File Compression Handler endpoints
- Restrict network access to diyhi bbs application to trusted IPs only
🔍 How to Verify
Check if Vulnerable:
Check diyhi bbs version number. If version is 6.8 or earlier, system is vulnerable.Check Version:
Check application configuration files or admin panel for version informationVerify Fix Applied:
Verify version is 6.9 or later and test idGroup parameter manipulation no longer returns sensitive information.📡 Detection & Monitoring
Log Indicators:
- Unusual requests to FilePackageManageAction endpoints with manipulated idGroup parameters
- Multiple failed attempts to access file compression functions
Network Indicators:
- HTTP requests with unusual idGroup parameter values to file compression endpoints
SIEM Query:
source="web_server" AND uri="*FilePackageManageAction*" AND (param="idGroup" AND value!="normal_pattern")