Buffer overflow in AWK-3131A Series - CVE-2019-5143

 

Buffer overflow in AWK-3131A Series - CVE-2019-5143

Published: February 24, 2020 / Updated: February 25, 2020


Vulnerability identifier: #VU25530
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-5143
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Moxa
Affected software:
AWK-3131A Series

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the "iw_console" and "conio_writestr" functionalities. A remote authenticated attacker can send specially crafted commands, trigger memory corruption and execute arbitrary code on the target system.

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


How to mitigate CVE-2019-5143

Install updates from vendor's website.

Sources