SB2019091039 - Remote code execution in Advantech WebAccess/SCADA
Published: September 10, 2019 Updated: September 19, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2019-3975)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the "GetUserPasswd" function in "BwPAlarm.dll" due to a boundary error when processing an IOCTL 70603 RPC message. A remote unauthenticated attacker can send a specially crafted IOCTL 70603 RPC message 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.
Remediation
Install update from vendor's website.