How CVE-2025-3305 Works
The vulnerability in IKUN_Library 1.0 stems from improper access controls in the `addInterceptors` function within MvcConfig.java. This function fails to properly validate user permissions when handling borrow requests, allowing remote attackers to bypass intended restrictions. The flaw occurs due to missing role-based checks before processing HTTP requests in the Borrow Handler component. Attackers can exploit this by sending crafted requests to manipulate library borrowing operations without proper authorization. The CVSS 4.0 vector (AV:N/AC:L/PR:L/VI:L) confirms network-based exploitation with low attack complexity.
DailyCVE Form
Platform: IKUN_Library
Version: 1.0
Vulnerability: Improper Access Control
Severity: Medium
Date: 04/08/2025
What Undercode Say:
Exploitation
1. Craft Malicious Request:
POST /borrow HTTP/1.1
Host: target.com
{"book_id":"123","user_id":"attacker"}
2. Bypass Checks:
// Exploit mimics valid session curl -X POST -H "Cookie: valid_session=1" http://target.com/borrow
Protection
1. Patch:
@Override
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor(new AuthInterceptor()).addPathPatterns("/borrow/");
}
2. Input Validation:
if (!user.hasRole("LIBRARY_USER")) {
throw new AccessDeniedException();
}
Detection
1. Log Analysis:
grep "POST /borrow" access.log | awk '{print $1}' | sort -u
2. IDS Rule:
alert http any any -> any any (msg:"IKUN_Library Exploit Attempt"; content:"POST /borrow"; sid:10005;)
Mitigation
1. WAF Rule:
location /borrow {
deny all;
allow 192.168.1.0/24;
}
2. Version Check:
java -jar ikun_library.jar --version | grep -q "1.0" && echo "Vulnerable"
Analytics
- Attack Surface: Remote HTTP endpoints (
/borrow). - Impact: Unauthorized book borrowing, data integrity violation.
- Patch Status: No official fix as of 04/08/2025.
References:
Reported By: https://nvd.nist.gov/vuln/detail/CVE-2025-3305
Extra Source Hub:
Undercode
