SB2019080203 - Remote code execution in Advantech WebAccess HMI Designer



SB2019080203 - Remote code execution in Advantech WebAccess HMI Designer

Published: August 2, 2019 Updated: August 5, 2019

Security Bulletin ID SB2019080203
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2019-10961)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing MCR files. A remote attacker can create a specially crafted MCR file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.