SB2022112812 - Multiple vulnerabilities in Moxa Secure Router EDR and TN Series

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Permissions, Privileges, and Access Controls (CVE-ID: N/A)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions. A remote attacker can edit the cookie’s values and cause security restrictions bypass and privilege escalation.

2) Input validation error (CVE-ID: N/A)

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP/HTTPS request and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://www.moxa.com/en/support/product-support/security-advisory/tn-5916-series-privilege-escalation-vulnerability
• https://www.moxa.com/en/support/product-support/security-advisory/secure-router-edr-and-tn-series-improper-input-validation-vulnerabilities