Stack-based buffer overflow in Moxa products - CVE-2019-9099

Vulnerability details

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, perform a denial of service (DoS) attack and execute arbitrary code on the target system.

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

Affected software

How to mitigate CVE-2019-9099

External References

• https://ics-cert.us-cert.gov/advisories/icsa-20-056-01
• https://www.moxa.com/en/support/support/security-advisory/mb3710-3180-3270-3280-3480-3660-vulnerabilities

Related Security Bulletins

• Multiple vulnerabilities in Moxa MB3xxx Series Protocol Gateways