Author Archives: s9ghost

Format String Vulnerabilities

In many programming languages, the preferred way to deal with printing strings is through the use of format strings.  Format strings allow for the parsing of strings containing an arbitrary number of mixed data type parameters.  However, due to implementation … Continue reading

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IO Level 8 – Buffer/Heap Overflow in C++

Today we’re going to be looking at level 8 of the IO wargame, hosted on the Smash The Stack Network.  As always, the password at the end of the level will be stripped and replaced with Y’s.  So without further adieu, … Continue reading

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IO Level 3 – Function Pointers

Welcome back.  Today we’re going to be looking at the IO wargame from Smash The Stack.  Specifically, we will be looking at level 3.  If you’re interested in following along, go a head and ssh into IO as level3 with … Continue reading

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Blowfish Level 6 – Typo Smash!

Welcome back.  Today we’re going to be looking at Level 6 of the Blowfish wargame from Smash The Stack.  As a reminder, the final password for the next level will the removed from this page and replaced with Y’s.  Let’s … Continue reading

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Blowfish Level 5 – More Stack Smashing

Today we’re going to be looking at the Blowfish wargame from Smash The Stack, working on level 5.  As always, the password will be stripped from this page and replaced with Y’s.  To begin, let’s use the password we got … Continue reading

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