CVE-2018-17908 : Security Advisory and Response

In versions 8.3.2 and earlier of WebAccess, a vulnerability exists that could allow a malicious actor to execute elevated arbitrary code due to improper access control during the installation process.

Understanding CVE-2018-17908

What is CVE-2018-17908?

In WebAccess Versions 8.3.2 and prior, the installation process disables user access control but fails to re-enable it after installation, potentially enabling attackers to run elevated arbitrary code.

The Impact of CVE-2018-17908

This vulnerability could be exploited by malicious actors to execute arbitrary code with elevated privileges, posing a significant security risk to affected systems.

Technical Details of CVE-2018-17908

Vulnerability Description

The installation process of WebAccess Versions 8.3.2 and earlier disables user access control without re-enabling it post-installation, creating a security gap for potential exploitation.

Affected Systems and Versions

Product: WebAccess Versions 8.3.2 and prior
Vendor: n/a

Exploitation Mechanism

The vulnerability allows attackers to execute arbitrary code with elevated privileges by taking advantage of the disabled user access control during the installation process.

Mitigation and Prevention

Immediate Steps to Take

Users should update to a patched version that addresses the access control issue.
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 apply security patches to prevent known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses in the system.

Patching and Updates

Stay informed about security advisories and updates from the vendor to apply patches promptly and ensure system security.