Several months ago I happened to be looking at web.py‘s source code when I found an old-style (as in basic) remote code execution in the database module. Fortunately for most users of web.py, the database module is pretty simple and…
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Remote Code Execution in Web.py framework
Tagged with: hacking, python, rce, web hacking, web.py
Publicado en hacking, Programming, web hacking
Publicado en hacking, Programming, web hacking
How Effective is ASLR on Linux Systems?
Address Space Layout Randomization (ASLR) is an exploit mitigation technique implemented in the majority of modern operating systems. In a nutshell, the idea behind ASLR is randomizing the process’ memory space in order to prevent the attacker from finding the…
XSS killed the anti-CSRF star
This entry hopes to be a quick consideration about how one attack vector can at times dismantle the security of a different area of the application that was otherwise deemed secure. Truth is, security threats many times work like this,…
Calling Conventions Hunting
When trying to understand a binary, it’s key to be able to identify functions, and with them, their parameters and local variables. This will help the reverser figuring out APIs, data structures, etc. In short, gaining a deep understanding of…
SANS HolidayHack Write Up
During this Christmas break, although I went back to Spain to stay with family and friends I still was able to get some time to look at the SANS HolidayHack 2012 CTF. I must say it has been great fun,…
A very light introduction to packers
It’s been a long time since I’ve been thinking of writing some posts about packers/crypters/protectors. I’m not sure how many I’ll write; it will probably depend on the interest of the audience. What I do know, is that I’ll try…
FormatFactory 3.01 Stack Based Buffer Overflow (SafeSEH bypass)
Last week I saw this vulnerability disclosed in PacketStorm and I decided to create my own exploits; yeah, boredom is a powerful motivation. Original published exploit wouldn’t work for my system, maybe because it was designed for the German language.…
Tagged with: buffer overflow, exploiting, safeseh, seh, stack overflow
Publicado en exploiting, seguridad, Windows
Publicado en exploiting, seguridad, Windows
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