Published: 18/07/2015 Updated: 23/03/2018

CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10

VMScore: 826

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

A vulnerability has been identified in Firmware variant PROFINET IO for EN100 Ethernet module : All versions < V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions < V1.11.00; Firmware variant DNP3 TCP for EN100 Ethernet module : All versions < V1.03; Firmware variant IEC 104 for EN100 Ethernet module : All versions < V1.21; EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 : All versions < 1.02.02. Specially crafted packets sent to port 50000/UDP could cause a denial-of-service of the affected device. A manual reboot may be required to recover the service of the device.

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siemens siprotec_firmware 4.24

# Exploit Title: Siemens SIPROTEC 4 and SIPROTEC Compact EN100 Ethernet Module < V425 - Denial of Service # Date: 14022018 # Exploit Author: M Can Kurnaz # Contact: twittercom/0x43414e # Vendor Homepage: wwwsiemenscom # Version: All devices that include the EN100 Ethernet module version V424 or prior # Tested on: Siemens ...

Siemens SIPROTEC 4 and SIPROTEC Compact EN100 Ethernet Module versions prior to 425 suffers from a denial of service vulnerability ...

This module sends a specially crafted packet to port 50000/UDP causing a denial of service of the affected (Siemens SIPROTEC 4 and SIPROTEC Compact < V425) devices A manual reboot is required to return the device to service CVE-2015-5374 and a CVSS v2 base score of 78 have been assigned to this vulnerab ...

This module sends a specially crafted packet to port 50000/UDP causing a denial of service of the affected (Siemens SIPROTEC 4 and SIPROTEC Compact < V4.25) devices. A manual reboot is required to return the device to service. CVE-2015-5374 and a CVSS v2 base score of 7.8 have been assigned to this vulnerability.

msf > use auxiliary/dos/scada/siemens_siprotec4
msf auxiliary(siemens_siprotec4) > show actions
    ...actions...
msf auxiliary(siemens_siprotec4) > set ACTION < action-name >
msf auxiliary(siemens_siprotec4) > show options
    ...show and set options...
msf auxiliary(siemens_siprotec4) > run

CVE-2015-5374 Denial of Service PoC

CVE-2015-5374 Siemens SIPROTEC 4 and SIPROTEC Compact EN100 Ethernet Module < V425 - Denial of Service This code sends a specially crafted packet to Port 50000/UDP could cause a denial of service of the affected device A manual reboot is required to return the device to service CVE-2015-5374 and a CVSS v2 base score of 78 have been assigned to this vulnerability can

Intrusion Detection and Prevention System

To test Intrusion Detection/Prevention functionality CVE-2015-5374 Siemens SIPROTEC Denial-of-Service Vulnerability [SystemByte[]] $ByteArray=0x11,0x49,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x28,0x9e $UdpClient = New-Object SystemNetSocketsUdpClient $UdpClientConnect("19216812756", 50000) $UdpClientSend($ByteArray, $ByteArray

Move over, Stuxnet: Industroyer malware linked to Kiev blackouts

The Register • John Leyden • 12 Jun 2017

Modular nasty can seize direct control of substation switches and circuit breakers

Security researchers have discovered malware capable of disrupting industrial control processes. Industroyer can cause the same sort of damage as BlackEnergy, a malware strain blamed for attacks on energy firms that caused blackouts in Ukraine in December 2015. The malware may have featured in follow-up attacks last December and can significantly harm electric power systems. It could be refitted to target other types of critical infrastructure, according to security firm ESET. Industroyer is mod...

CVE-2015-5374

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