SB2018102603 - Multiple vulnerabilities in Advantech WebAccess 



SB2018102603 - Multiple vulnerabilities in Advantech WebAccess

Published: October 26, 2018

Security Bulletin ID SB2018102603
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper access control (CVE-ID: CVE-2018-17908)

The vulnerability allows a local unauthenticated attacker to gain elevated privileges on the target system.

The vulnerability exists due to the application installer disables user access control and does not re-enable it after the installation is complete. A local unauthenticated attacker can run elevated arbitrary code.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Stack-based buffer overflow (CVE-ID: CVE-2018-17910)

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

The vulnerability exists due to a boundary error when processing certain requests. A remote unauthenticated attacker can send 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.


Remediation

Install update from vendor's website.