Heap-based buffer overflow in WebAccess/SCADA - CVE-2019-10989

 

Heap-based buffer overflow in WebAccess/SCADA - CVE-2019-10989

Published: July 3, 2019


Vulnerability identifier: #VU18981
CSH Severity: High
CVSS v4.0: 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-2019-10989
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Advantech Co., Ltd
Affected software:
WebAccess/SCADA

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 when processing data passed to the webvrpcs process, within the 0x11372 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 this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2019-10989

Install updates from vendor's website.

Sources