Pwn2Own: ÜBERP0WN4G3!
Friday, March 26th, 2010Well as many developers already know: security is a concept, not a product! You can’t just throw “some security” at a piece of software. Security considerations must be part of the original design and development of software. The Pwn2Own hacking contest shows –once again– that there is too little security awareness in current software design. Look at these embarrassing results: all major browsers took a fall: Internet Explorer, Firefox and Safari. Most browser are compromised by popular plugins like acrobat reader
These OS’s took a fall: Windows 7, Windows XP, Mac OS X snow leopard. The only OS that is still standing is Linux. Because Linux is indefinitely more secure? Well maybe but there’s also something else: Linux is an open source OS where highly skilled developers are coding. Changes are reviewed by others before they are merged into the main kernel tree. In other words: security is part of Linux. Another thing is that people who run linux are people who are aware of abuse. These are –in general– not the people who would click on the ‘cute-kitten-movie.exe‘ attachment. So Linux is just not that interesting to Black Hat Hackers. True: Mac OS X is build on an open source OS as well: FreeBSD but the presentation layer and Safari is proprietary code from Apple (except for the WebKit on which it is build).
Microsoft currently runs the Security Development Lifecycle (SDL) model. This should make security an integral part of the development lifecycle. Well to be honest when budgets are getting tight and deadlines are running out: documentation and code quality are the first areas that take the fall. So really I don’t expect much from SDL. Especially since MS is trying to develop a ‘catch all’ (silver bullet) security measure inside the kernel… I’m not saying these measures aren’t worthwhile, they are (Linux has them for ages now), it’s just not enough.
The phrase ‘security is a concept, not a product‘ proves its point when you look at the measures current OS’s are implementing to prevent ‘arbitrary code execution’. Windows XP, Windows Vista (still in use?) and Windows 7 has DEP (Data Execution Prevention) and ASLR (Address Space Layout Randomization). Both ‘techniques’ should prevent (or make it harder) to execute arbitrary code… but they don’t. Dutch security researcher Peter Vreugdenhil showed an impressive circumvention of DEP and ASLR in windows 7. See: security is not a product…
The good thing is that the hackers are not just updating the vendors on the leaks they found. Instead they tell the vendors how to find the leaks themselves in an attempt to raise awareness.
Microsoft presented Windows Vista as the most secure Windows ever. It is, by far, the most annoying Windows version ever. It has a security measure called 