SB2022031013 - Multiple vulnerabilities in Siemens SIMOTICS CONNECT 400

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Main Vulnerability Database SB2022031013

SB2022031013 - Multiple vulnerabilities in Siemens SIMOTICS CONNECT 400

Published: March 10, 2022

Security Bulletin ID SB2022031013
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 67% Medium 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Type Confusion (CVE-ID: CVE-2021-31344)

The vulnerability allows a remote attacker to compromise the system.

The vulnerability exists due to a type confusion error within ICMP echo packets with fake IP options. A remote attacker can send specially crafted ICMP echo reply messages to arbitrary hosts on the network.


2) Input validation error (CVE-ID: CVE-2021-31346)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the total length of an UDP payload (set in the IP header) is unchecked. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack or gain access to sensitive information on the system.


3) Input validation error (CVE-ID: CVE-2021-31890)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the total length of a TCP payload (set in the IP header) is unchecked. A remote attacker can cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.

References