CVE-2025-3305
📋 TL;DR
CVE-2025-3305 is an improper access control vulnerability in IKUN_Library 1.0 that allows remote attackers to bypass authorization checks in the Borrow Handler component. This affects systems running the vulnerable version of this library software. Attackers could potentially manipulate borrowing operations without proper authentication.
💻 Affected Systems
- 1902756969/code-projects IKUN_Library
📦 What is this software?
Ikun Library by 1902756969
⚠️ Risk & Real-World Impact
Worst Case
Unauthorized users could manipulate library borrowing records, create fraudulent transactions, or potentially escalate privileges to administrative functions.
Likely Case
Attackers could bypass borrowing restrictions, manipulate book availability status, or perform unauthorized borrowing operations.
If Mitigated
With proper authentication and authorization controls, impact would be limited to failed exploitation attempts logged in system logs.
🎯 Exploit Status
Exploit details are publicly available on GitHub. Remote exploitation is possible without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider implementing custom fixes or workarounds.
🔧 Temporary Workarounds
Implement proper authorization checks
allManually add proper authentication and authorization checks in the addInterceptors function of MvcConfig.java
Manual code modification required - no commands available
Network access restriction
linuxRestrict network access to the application to trusted IP ranges only
iptables -A INPUT -p tcp --dport [APP_PORT] -s [TRUSTED_IP] -j ACCEPT
iptables -A INPUT -p tcp --dport [APP_PORT] -j DROP
🧯 If You Can't Patch
- Implement network segmentation to isolate the vulnerable system
- Deploy a web application firewall (WAF) with rules to detect and block exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check if running IKUN_Library version 1.0 and examine MvcConfig.java for missing authorization checks in addInterceptors functionCheck Version:
Check application configuration or build files for version informationVerify Fix Applied:
Verify that proper authentication and authorization checks are implemented in the addInterceptors function📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to borrowing functions
- Failed authentication attempts followed by successful borrowing operations
Network Indicators:
- HTTP requests to borrowing endpoints without proper authentication headers
- Unusual borrowing patterns from unexpected IP addresses
SIEM Query:
source="application.logs" AND ("Borrow Handler" OR "addInterceptors") AND (status="200" OR status="success") AND NOT (user!="anonymous" OR auth="true")