SB2021052709 - Multiple vulnerabilities in Moxa NPort IAW5000A-I/O Series
Published: May 27, 2021 Updated: July 7, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2021-32968)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the built-in web server. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.
2) Stack-based buffer overflow (CVE-ID: CVE-2021-32976)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the built-in web server. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) Input validation error (CVE-ID: CVE-2021-32970)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to data can be copied without validation in the built-in web server. A remote attacker can perform a denial of service (DoS) attack.
4) OS Command Injection (CVE-ID: CVE-2021-32974)
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the built-in web server. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.