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Question 553 - 312-50v12 discussion

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In the process of implementing a network vulnerability assessment strategy for a tech company, the security analyst is confronted with the following scenarios:

1) A legacy application is discovered on the network, which no longer receives updates from the vendor.

2) Several systems in the network are found running outdated versions of web browsers prone to distributed attacks.

3) The network firewall has been configured using default settings and passwords.

4) Certain TCP/IP protocols used in the organization are inherently insecure.

The security analyst decides to use vulnerability scanning software. Which of the following limitations of vulnerability assessment should the analyst be most cautious about in this context?

A.
Vulnerability scanning software is limited in its ability to perform live tests on web applications to detect errors or unexpected behavior
Answers
A.
Vulnerability scanning software is limited in its ability to perform live tests on web applications to detect errors or unexpected behavior
B.
Vulnerability scanning software cannot define the impact of an identified vulnerability on different business operations
Answers
B.
Vulnerability scanning software cannot define the impact of an identified vulnerability on different business operations
C.
Vulnerability scanning software is limited in its ability to detect vulnerabilities at a given point in time
Answers
C.
Vulnerability scanning software is limited in its ability to detect vulnerabilities at a given point in time
D.
Vulnerability scanning software is not immune to software engineering flaws that might lead to serious vulnerabilities being missed
Answers
D.
Vulnerability scanning software is not immune to software engineering flaws that might lead to serious vulnerabilities being missed
Suggested answer: D

Explanation:

Vulnerability scanning software is a tool that can help security analysts identify and prioritize known vulnerabilities in their systems and applications. However, it is not a perfect solution and has some limitations that need to be considered. One of the most critical limitations is that vulnerability scanning software is not immune to software engineering flaws that might lead to serious vulnerabilities being missed. This means that the software itself might have bugs, errors, or oversights that could affect its accuracy, reliability, or performance. For example, the software might:

Fail to detect some vulnerabilities due to incomplete or outdated databases, incorrect signatures, or insufficient coverage of the target system or application.

Produce false positives or false negatives due to misinterpretation of the scan results, incorrect configuration, or lack of context or validation.

Cause unintended consequences or damage to the target system or application due to intrusive or aggressive scanning techniques, such as exploiting vulnerabilities, modifying data, or crashing services.

Be vulnerable to attacks or compromise by malicious actors who could exploit its weaknesses, tamper with its functionality, or steal its data.

Therefore, the security analyst should be most cautious about this limitation of vulnerability scanning software, as it could lead to a false sense of security, missed opportunities for remediation, or increased exposure to threats. The security analyst should always verify the scan results, use multiple tools and methods, and update and patch the software regularly to mitigate this risk.

[CEHv12 Module 03: Vulnerability Analysis]

7 limitations of vulnerability scanners

The pros and cons of vulnerability scanning tools

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asked 18/09/2024
Guillaume Deterville
46 questions
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