Stack-based buffer overflow in WECON LeviStudioU and PI Studio HMI - CVE-2018-7527

 

Stack-based buffer overflow in WECON LeviStudioU and PI Studio HMI - CVE-2018-7527

Published: April 26, 2018 / Updated: May 1, 2018


Vulnerability identifier: #VU12281
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/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-2018-7527
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: WECON Technology Co., Ltd.
Affected software:
WECON LeviStudioU
PI Studio HMI

Detailed vulnerability description

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

The weakness exists due to stack-based buffer overflow when handling malicious input. A remote attacker can trick the victim into opening a specially crafted file, trigger memory corruption and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.


How to mitigate CVE-2018-7527

Install update from vendor's website.

Sources