CVE-2017-12717 : Vulnerability Insights and Analysis

A vulnerability known as Uncontrolled Search Path Element has been identified in Advantech WebAccess versions older than V8.2_20170817. By inserting a maliciously designed dll file higher up in the search path, an attacker potentially gains the ability to execute code within the application's context.

Understanding CVE-2017-12717

This CVE involves an Uncontrolled Search Path Element issue in Advantech WebAccess.

What is CVE-2017-12717?

CVE-2017-12717 is a vulnerability in Advantech WebAccess versions prior to V8.2_20170817, allowing attackers to execute code by manipulating the search path.

The Impact of CVE-2017-12717

The vulnerability could lead to unauthorized code execution within the application's context, posing a significant security risk.

Technical Details of CVE-2017-12717

This section provides more technical insights into the CVE.

Vulnerability Description

An attacker can exploit this flaw by placing a specially crafted dll file in a specific location within the search path, enabling the execution of malicious code.

Affected Systems and Versions

Product: Advantech WebAccess
Versions Affected: Older than V8.2_20170817

Exploitation Mechanism

The attacker inserts a malicious dll file in the search path, leveraging its position to execute unauthorized code.

Mitigation and Prevention

Protect your systems from CVE-2017-12717 with the following measures.

Immediate Steps to Take

Update Advantech WebAccess to version V8.2_20170817 or newer.
Monitor system logs for any suspicious activities.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Conduct regular security assessments and audits.
Educate users on safe browsing habits and email security.
Employ intrusion detection systems to detect and respond to threats.

Patching and Updates

Stay informed about security updates and patches for Advantech WebAccess.
Apply patches promptly to address known vulnerabilities.