SB2023052601 - Multiple vulnerabilities in Moxa MXsecurity Series

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Command Injection (CVE-ID: CVE-2023-33235)

The vulnerability allows a remote user to execute arbitrary commands on the target system.

The vulnerability exists due to improper input validation within the SSH CLI program. A remote administrator can pass specially crafted data to the application and execute arbitrary commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Use of hard-coded credentials (CVE-ID: CVE-2023-33236)

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code. A remote unauthenticated attacker can access the affected system using the hard-coded credentials.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://www.moxa.com/en/support/product-support/security-advisory/mxsecurity-command-injection-and-hardcoded-credential-vulnerabilities
• https://www.cisa.gov/news-events/ics-advisories/icsa-23-145-01
• https://www.zerodayinitiative.com/advisories/ZDI-23-721/
• https://www.zerodayinitiative.com/advisories/ZDI-23-720/