CVE-2018-10239 : Exploit Details and Defense Strategies

A vulnerability has been discovered in the "support access" feature of Infoblox NIOS versions 6.8 through 8.4.1, potentially allowing a locally authenticated administrator to elevate their privileges temporarily and perform actions within the scope of a super user.

Understanding CVE-2018-10239

This CVE involves a privilege escalation vulnerability in the "support access" feature of Infoblox NIOS versions 6.8 through 8.4.1.

What is CVE-2018-10239?

The vulnerability allows a locally authenticated administrator to gain additional privileges on the affected device by exploiting weaknesses in the password generation algorithm of the "support access" feature.

The Impact of CVE-2018-10239

Locally authenticated administrators can temporarily elevate their privileges on the device.
Actions within the super user scope can be performed.

Technical Details of CVE-2018-10239

This section provides technical details of the vulnerability.

Vulnerability Description

The vulnerability lies in the password generation algorithm of the "support access" feature.
Exploitation requires knowledge of the support access code and the algorithm used to generate the support access password.

Affected Systems and Versions

Infoblox NIOS versions 6.8 through 8.4.1 are affected.

Exploitation Mechanism

Locally authenticated administrative users with enabled "support access" feature can exploit the vulnerability.
Knowledge of the support access code and password generation algorithm is necessary.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2018-10239.

Immediate Steps to Take

Disable the "support access" feature if not required.
Regularly monitor and audit access to the feature.

Long-Term Security Practices

Implement strong password policies and regular password changes.
Educate users on secure password practices.

Patching and Updates

Apply patches and updates provided by Infoblox to address the vulnerability.