CVE-2025-46285 Apple产品整数溢出漏洞导致本地提权

// CVE-2025-46285 Integer Overflow PoC // Target: Apple iOS/macOS time handling module // This PoC demonstrates the integer overflow in timestamp handling #include <stdio.h> #include <stdint.h> #include <time.h> // Vulnerable 32-bit timestamp handling int vulnerable_timestamp_process(uint32_t input_time) { // Integer overflow when time exceeds INT32_MAX int32_t signed_time = (int32_t)input_time; // Overflow occurs here when input_time > 0x7FFFFFFF uint32_t overflow_calc = signed_time * 1000; return overflow_calc; } // Safe 64-bit timestamp handling (patched version) int64_t safe_timestamp_process(uint64_t input_time) { int64_t signed_time = (int64_t)input_time; uint64_t safe_calc = signed_time * 1000; return safe_calc; } int main() { printf("CVE-2025-46285 Integer Overflow PoC\n"); printf("==================================\n\n"); // Trigger overflow with time > 0x7FFFFFFF uint32_t malicious_time = 0x80000001; // Exceeds INT32_MAX printf("Testing vulnerable 32-bit handling:\n"); int result_32bit = vulnerable_timestamp_process(malicious_time); printf("Input: 0x%08X, Result: %d\n", malicious_time, result_32bit); printf("\nTesting safe 64-bit handling (patched):\n"); int64_t result_64bit = safe_timestamp_process(malicious_time); printf("Input: 0x%08X, Result: %ld\n", malicious_time, result_64bit); return 0; }