#VU18980 Stack-based buffer overflow in WebAccess/SCADA - CVE-2019-10991

 

#VU18980 Stack-based buffer overflow in WebAccess/SCADA - CVE-2019-10991

Published: July 3, 2019 / Updated: July 4, 2019


Vulnerability identifier: #VU18980
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-10991
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
WebAccess/SCADA
Software vendor:
Advantech Co., Ltd

Description

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

The vulnerability exists due to a boundary error when processing data passed to the webvrpcs process, within bwclient.exe accessible through the 0x2711 IOCTL. A remote unauthenticated attacker can send a specially crafted request to the application, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of these vulnerabilities may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links