During a penetration test in a hypervisor

Rationale

The security engineer is able to use a script to inject a malicious payload and access the host filesystem.

This scenario describes a vulnerability where an attacker exploits a weakness in the hypervisor, allowing them to execute code on the host machine from within a virtual machine. Such an action indicates a serious security flaw, specifically classified as a VM escape.

A (the security engineer is able to use a script to inject a malicious payload and access the host filesystem. Which of the following best describes this vulnerability?) CORRECT

VM escape is a security vulnerability that allows an attacker to break out of a virtual machine and gain unauthorized access to the host system. This type of attack is particularly dangerous as it can compromise the entire host environment and all other virtual machines running on it. The description provided in the question directly aligns with this definition, making it the correct answer.

B (VM escape) YOUR ANSWER

Cross-site scripting (XSS) is a web security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. This type of attack typically targets web applications rather than virtual environments or hypervisors, making it an inappropriate description for the scenario presented.

C (Cross-site scripting) YOUR ANSWER

A malicious update involves tricking users into installing harmful software under the guise of a legitimate update. While this poses a security risk, it does not directly relate to the context of accessing a hypervisor's host filesystem, as it pertains more to software distribution rather than exploitation of virtual machine vulnerabilities.

D (Malicious update) YOUR ANSWER

SQL injection is a code injection technique that exploits vulnerabilities in an application's software by manipulating SQL queries. This attack is focused on databases and web applications, not on hypervisors or virtual machines, thus failing to describe the scenario accurately.

Conclusion

The scenario illustrates a serious security concern known as VM escape, where an attacker successfully injects a malicious payload to access the host's filesystem. Unlike the other choices, which pertain to different types of vulnerabilities, VM escape specifically addresses the issue of escaping from a virtual machine to compromise the host system, highlighting the critical need for robust security measures in virtualized environments.

During a penetration test in a hypervisor

The security engineer is able to use a script to inject a malicious payload and access the host filesystem.

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