CVE-2019-9098: moxa mb3170_firmware Integer Overflow or Wraparound

Vulnerability summary

CVE-2019-9098 is a high (CVSS 7.5) Integer Overflow or Wraparound vulnerability in moxa mb3170_firmware. EPSS estimates a 2.17% chance of exploitation in the next 30 days, higher than 82.1% 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. An Integer overflow in the built-in web server allows remote attackers to initiate DoS.

• CWE-190Integer Overflow or WraparoundThe product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.