Testing of data handling – Authenticated applications often process and store a wide array of user submitted data. Testing of role based access controls – Identifying if low privilege users can access data or functionality belonging to higher privileged users. The word performed from a gray box perspective is substantially more comprehensive than a black box. What’s performed in a gray box penetration test? The tester can then perform attacks from the perspective of users to determine the impact a bad actor could have. This allows the pentester to assume the role of legitimate users of all privilege levels. What is a gray box penetration test?Ī gray box penetration test is performed with credentialed access. It is recommended that sensitive applications do not reveal whether usernames are valid or not. As a first step to gaining access, a pentester will use a large dictionary of usernames against the login form to see if the application indicates if a username is valid. Username Enumeration is a common theme in application pentesting, but especially relevant for black box pentests. A pentester should also use any information available to test for easy to guess credentials. ![]() Burp suite for example has built-in functionality to quickly discover web content.Ĭhances are low that admin / admin password combinations exist in modern applications, but a tester must check for them. Pentesters will use a number of tools to enumerate files, directories, and functionality which may be accessible on the web server. ![]() What’s performed in a black box pentest?Īlthough the ability of the pentester is greatly limited without credentials, there are a number of attacks and tactics used to obtain access or sensitive information. ![]() The primary objective is to determine “Can an external attacker with no prior access, obtain access to the application or data?”. This is usually conducted against an application which requires authentication, however, credentials are not provided to the tester. What is a black box application pentest?Ī black box penetration test is an application pentest where the tester is provided nothing more than the target location of the application. Time and budget constraints can often raise the question of whether to use a black box, gray box, or white box penetration test. We are frequently asked to help advise on the appropriate scope for application penetration tests.
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