SB2021111004 - Multiple vulnerabilities in Siemens SCALANCE W1750D
Published: November 10, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2021-37726)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing PAPI requests sent to port 8211/UDP. A remote attacker can create a specially crafted requests to the system, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) OS Command Injection (CVE-ID: CVE-2021-37732)
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the web interface. A remote privileged user can send a specially crafted HTTP request to the application and execute arbitrary OS commands on the target system.
3) Format string error (CVE-ID: CVE-2021-37735)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a format string error in the instant command line interface. A remote privileged user can supply a specially crafted input that contains format string specifiers and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.