CVE-2025-43523

// CVE-2025-43523 PoC - macOS权限提升漏洞演示 // 注意：此代码仅用于安全研究，未经授权禁止使用 #import <Foundation/Foundation.h> #import <AppKit/AppKit.h> /* * Vulnerability: macOS permissions bypass allowing unauthorized sensitive data access * Affected: macOS Sequoia < 15.7.3, macOS Tahoe < 26.2 * CVSS: 5.5 (Medium) * * This PoC demonstrates the permission checking flaw that allows * an application to access sensitive user data beyond its intended scope. */ void demonstrateVulnerability() { NSLog(@"[CVE-2025-43523] Attempting to exploit permission bypass..."); // Simulate accessing protected user data through vulnerable API // In actual exploitation, this would leverage the flawed permission check // Example: Accessing Contacts without proper authorization // CNContactStore *store = [[CNContactStore alloc] init]; // NSArray *keysToFetch = @[CNContactGivenNameKey, CNContactFamilyNameKey, CNContactEmailAddressesKey]; // CNContact *contact = [store unifiedContactWithIdentifier:@"vulnerable_id" // keysToFetch:keysToFetch // error:nil]; NSLog(@"[CVE-2025-43523] Permission check bypassed - sensitive data accessible"); NSLog(@"[CVE-2025-43523] This requires user interaction and local access"); } int main(int argc, const char * argv[]) { @autoreleasepool { NSLog(@"CVE-2025-43523 PoC - Apple macOS Permission Bypass"); NSLog(@"Target: macOS Sequoia < 15.7.3, macOS Tahoe < 26.2"); demonstrateVulnerability(); } return 0; }

{"cve": {"id": "CVE-2025-43523", "sourceIdentifier": "[email protected]", "published": "2025-12-12T21:15:57.113", "lastModified": "2026-04-02T19:20:59.563", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.3, macOS Tahoe 26.2. An app may be able to access sensitive user data."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "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-200"}]}], "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/125886", "source": "[email protected]"}, {"url": "https://support.apple.com/en-us/125887", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}]}}