CVE-2017-12708 : Security Advisory and Response

Researchers discovered a critical vulnerability in Advantech WebAccess that could allow attackers to execute unauthorized code or crash the system.

Understanding CVE-2017-12708

This CVE involves an 'Improper Restriction of Operations Within the Bounds of a Memory Buffer' in Advantech WebAccess.

What is CVE-2017-12708?

The vulnerability in Advantech WebAccess versions older than V8.2_20170817 allows attackers to reference invalid locations in the memory buffer, potentially leading to unauthorized code execution or system crashes.

The Impact of CVE-2017-12708

Attackers could exploit this vulnerability to execute arbitrary code on affected systems.
The issue may result in system crashes, disrupting operations and potentially causing downtime.

Technical Details of CVE-2017-12708

This section provides detailed technical information about the CVE.

Vulnerability Description

The 'Improper Restriction of Operations Within the Bounds of a Memory Buffer' vulnerability in Advantech WebAccess versions prior to V8.2_20170817 allows for referencing invalid memory buffer locations, enabling unauthorized code execution or system crashes.

Affected Systems and Versions

Product: Advantech WebAccess
Versions Affected: Advantech WebAccess versions older than V8.2_20170817

Exploitation Mechanism

Attackers exploit the vulnerability by referencing invalid memory buffer locations, potentially leading to unauthorized code execution or system crashes.

Mitigation and Prevention

Protecting systems from CVE-2017-12708 is crucial to prevent unauthorized access and system disruptions.

Immediate Steps to Take

Update Advantech WebAccess to version V8.2_20170817 or newer to mitigate the vulnerability.
Implement network segmentation to limit the impact of potential attacks.
Monitor system logs for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update software and firmware to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses proactively.

Patching and Updates

Stay informed about security advisories and patches released by Advantech for WebAccess.
Apply patches promptly to ensure systems are protected against known vulnerabilities.