OS Command Injection in AWK-3131A Series - CVE-2019-5141

 

OS Command Injection in AWK-3131A Series - CVE-2019-5141

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


Vulnerability identifier: #VU25528
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-2019-5141
CWE-ID: CWE-78
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 shell commands on the target system.

The vulnerability exists due to improper input validation in the "iw_webs" functionality. A specially crafted "iw_serverip" parameter can cause user input to be reflected in a subsequent "iw_system" call. A remote authenticated attacker can send specially crafted commands and execute arbitrary OS commands on the target system.

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


How to mitigate CVE-2019-5141

Install updates from vendor's website.

Sources