CVE-2019-9099: moxa mb3170_firmware Classic Buffer Overflow

Vulnerability summary

CVE-2019-9099 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in moxa mb3170_firmware. EPSS estimates a 4.05% chance of exploitation in the next 30 days, higher than 90.5% of scored vulnerabilities.

Timeline

1. 11-03-2020
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB3660 devices before 2.3, and MB3180 devices before 2.1. A Buffer overflow in the built-in web server allows remote attackers to initiate DoS, and probably to execute arbitrary code (issue 1 of 2).

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.