Vulnerability identifier: #VU75038
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-770
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
SIMATIC CP 1242-7 V2
Hardware solutions /
Firmware
SIMATIC CP 1243-1
Hardware solutions /
Firmware
SIMATIC CP 1243-1 DNP3
Hardware solutions /
Firmware
SIMATIC CP 1243-1 IEC
Hardware solutions /
Firmware
SIMATIC CP 1243-7 LTE EU
Hardware solutions /
Firmware
SIMATIC CP 1243-7 LTE US
Hardware solutions /
Firmware
SIMATIC CP 1243-8 IRC
Hardware solutions /
Firmware
SIMATIC CP 1542SP-1
Hardware solutions /
Firmware
SIMATIC CP 1542SP-1 IRC
Hardware solutions /
Firmware
SIMATIC CP 1543SP-1
Hardware solutions /
Firmware
SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL
Hardware solutions /
Firmware
SIPLUS ET 200SP CP 1543SP-1 ISEC
Hardware solutions /
Firmware
SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL
Hardware solutions /
Firmware
SIPLUS NET CP 1242-7 V2
Hardware solutions /
Firmware
SIPLUS S7-1200 CP 1243-1
Hardware solutions /
Firmware
SIPLUS S7-1200 CP 1243-1 RAIL
Hardware solutions /
Firmware
SIMATIC CP 443-1
Hardware solutions /
Firmware
SIPLUS NET CP 443-1
Hardware solutions /
Firmware
SIPLUS NET CP 443-1 Advanced
Hardware solutions /
Firmware
SIPLUS TIM 1531 IRC
Hardware solutions /
Firmware
TIM 1531 IRC
Hardware solutions /
Firmware
SIMATIC IPC DiagBase
Server applications /
SCADA systems
SIMATIC IPC DiagMonitor
Server applications /
SCADA systems
SIMATIC CP 443-1 Advanced
Server applications /
SCADA systems
Vendor: Siemens
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to allocation of resources without limits or throttling. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
SIMATIC CP 1242-7 V2: All versions
SIMATIC CP 1243-1: All versions
SIMATIC CP 1243-1 DNP3: All versions
SIMATIC CP 1243-1 IEC: All versions
SIMATIC CP 1243-7 LTE EU: All versions
SIMATIC CP 1243-7 LTE US: All versions
SIMATIC CP 1243-8 IRC: All versions
SIMATIC CP 1542SP-1: All versions
SIMATIC CP 1542SP-1 IRC: All versions
SIMATIC CP 1543SP-1: All versions
SIMATIC IPC DiagBase: All versions
SIMATIC IPC DiagMonitor: All versions
SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL: All versions
SIPLUS ET 200SP CP 1543SP-1 ISEC: All versions
SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL: All versions
SIPLUS NET CP 1242-7 V2: All versions
SIPLUS S7-1200 CP 1243-1: All versions
SIPLUS S7-1200 CP 1243-1 RAIL: All versions
External links
http://cert-portal.siemens.com/productcert/pdf/ssa-566905.pdf
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.