This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU68287
Risk: High
CVSSv3.1:
CVE-ID: CVE-2022-31766
CWE-ID:
CWE-20 - Improper Input Validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when TCP Event service is enabled. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsSCALANCE WAM763-1: 1.1.0
SCALANCE WAM766-1: 1.1.0
SCALANCE WAM766-1 6GHz: 1.1.0
SCALANCE WAM766-1 EEC: 1.1.0
SCALANCE WAM766-1 EEC 6GHz: 1.1.0
SCALANCE WUM763-1: 1.1.0
SCALANCE WUM766-1: 1.1.0
SCALANCE WUM766-1 6GHz: 1.1.0
RUGGEDCOM RM1224 LTE: before 7.1.2
SCALANCE M804PB: before 7.1.2
SCALANCE M812-1 ADSL-Router (Annex A): before 7.1.2
SCALANCE M812-1 ADSL-Router (Annex B): before 7.1.2
SCALANCE M816-1 ADSL-Router (Annex A): before 7.1.2
SCALANCE M816-1 ADSL-Router (Annex B): before 7.1.2
SCALANCE M826-2 SHDSL-Router: before 7.1.2
SCALANCE M874-2: before 7.1.2
SCALANCE M874-3: before 7.1.2
SCALANCE M876-3: before 7.1.2
SCALANCE M876-4: before 7.1.2
SCALANCE MUM853-1: before 7.1.2
SCALANCE MUM856-1: before 7.1.2
SCALANCE S615: before 7.1.2
http://cert-portal.siemens.com/productcert/pdf/ssa-697140.pdf
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?