Stack-based buffer overflow in CX-Server and CX-Programmer - CVE-2018-18993

 

Stack-based buffer overflow in CX-Server and CX-Programmer - CVE-2018-18993

Published: December 4, 2018 / Updated: December 5, 2018


Vulnerability identifier: #VU16238
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-18993
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Omron
Affected software:
CX-Server
CX-Programmer

Detailed vulnerability description

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

The vulnerability exists due to stack-based buffer overflows when handling malicious input. A remote unauthenticated attacker can trick the victim into processing a specially crafted project file, trigger memory corruption and execute arbitrary code with elevated privileges.

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


How to mitigate CVE-2018-18993

Update CX-Programmer to version 9.70.
Update CX-Server to version 5.0.24.

Sources