OVERTHEWIRE NATAS SERIES: 25 – 26 LEVEL Walkthrough

Overthewire Natas Level 25 – 26 is based on directory traversal. The code have many restrictions because it sanitizes the user input and makes it harder for us to get the password. Let’s see how can we bypass it and get the access for the next level. The code for […]

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OVERTHEWIRE NATAS SERIES: 24 – 25 LEVEL Walkthrough

Overthewire Natas 25 Level is based on strcmp() function vulnerability. Generally, strcmp() is used to compare two strings together, We need to generate some kind of error here so we can obtain the password for the next level. The code for the level is here: So, I tried a lot […]

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OVERTHEWIRE NATAS SERIES: 23 – 24 LEVEL Walkthrough

Overthewire natas level 23 – 24 is also based on PHP GET request parameter tampering. We have to carry out the injection in such a way that it fits both the conditions of the code. The code for this level is here: The two conditions to be fulfilled are: 1. […]

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OVERTHEWIRE NATAS SERIES: 22 – 23 LEVEL Walkthrough

Overthewire natas level 22 – 23 is the easiest of all levels, We just have to send a GET request as “/?revelio” to reveal the admin password. This code for this level looks like this: So, again I am using Burpsuite’s Repeater in order to make the GET request and […]

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OVERTHEWIRE NATAS SERIES: 21 – 22 LEVEL Walkthrough

Overthewire natas level 21 -22 is also like the last level but, there is Key and value pair as the input values. All we need to do is inject admin=1 as one of the key->value pair and we will get the password. There are two different pages in this level […]

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OVERTHEWIRE NATAS SERIES: 20 – 21 LEVEL Walkthrough

OVERTHEWIRE NATAS level: 20 – 21 is quite different than all the other that we have completed. The code for this level is pretty hard to understand but took me a while but it’s done now. The problem lies in php code and how it is handling user input with […]

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OVERTHEWIRE NATAS SERIES: 19 – 20 LEVEL Walkthrough

OVERTHEWIRE NATAS level 19-20 is similar to 18-19 level. We have to manipulate session in order to login as admin. In the last level, we just have to change the PHPSESSIONID number in order to gain the access to the admin account. We have to do the same in this […]

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OVERTHEWIRE NATAS SERIES: 18 – 19 LEVEL Walkthrough

OVERTHEWIRE NATAS level 18-19 is based on session bypass. We have to login as admin without any credentials, in such cases we can look for the session value and try to change it because that’s the only way in after there is no credentials. So let’s do this. The code […]

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OVERTHEWIRE NATAS SERIES: 17 – 18 LEVEL Walkthrough

OVERTHEWIRE NATAS level 17-18 is about blind sql injection. To make the level more complicated, the output hasn’t been displayed. Let’s dive in the level: If you look at the code below. It is a simple code which takes the username and check for its existence in the table users. […]

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OVERTHEWIRE NATAS SERIES: 16 – 17 LEVEL Walkthrough

The walkthrough for the last level is available on this link: http://www.anonhack.in/2018/09/overthewire-natas-series-15-16-level-walkthrough/ This level is little bit similar to the last level. Here we have to perform a command injection. Let’s have a look at the source code of this level: See the highlighted text in the code above. $key variable […]

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