Edition 12: Let's Think Adjacent Risks When Analyzing Vulnerability Data

The steps to perform a vulnerability analysis comes with many elements. When we usually view a vulnerability, it's called Critical, High, Medium, and Low. In today's landscape, we have to ingest actual risk and determine what's exploitable. There are several attack vectors, adjacent systems, and downstream risks that are sometimes overlooked. If we were to examine a typical exploit, the data might seem straightforward. Still, some adjacent risks and CVEs may need attention when thinking holistically. One of the steps often used is to view the CVSS vector to determine the vulnerability nature. Each metric is scored in different ways.

Reference: https://www.first.org/cvss/specification-document

Here is a vulnerability to analyze

Tenable SecurityCenter 5.22 - 6.0.0 Access Control Bypass (TNS-2023-17)

CVE: CVE-2023-25690??Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Synopsis

An application installed on the remote host is affected by multiple vulnerabilities.

Description

According to its self-reported version, the Tenable SecurityCenter application installed on the remote host is running 5.22 to 6.0.0 and is therefore affected by an Apache vulnerable which could result in bypassing of access controls.

Solution

Apply the security patch referenced in the vendor advisory.

Analysis: Since this is an access control vulnerability, the application can provide open authentication to attacks. If there is a backend database, the environment has to consider SQL attacks, and whether the database has private data attached – if so, we could also be susceptible to a data breach. Viewing the vulnerability seems simple, but our analysis proves otherwise. Do we have any attached CVEs?

Key Takeaways: Perform an in-depth analysis beyond the vulnerability description

CVE Details: https://www.cvedetails.com/product/34965/Microsoft-Windows-Server-2016.html?vendor_id=26

CVSS Definition: https://en.wikipedia.org/wiki/Common_Vulnerability_Scoring_System

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Press Release: https://www.einpresswire.com/sources/u462154

Author: https://www.dewaynehart.com/

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Dewayne Hart

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