New Linux Flaw Enables Null Pointer Exploits
robert-5LEc/6Zm6xCUd8a0hrldnti2O/JbrIOy at public.gmane.org
Sat Jul 18 16:58:44 UTC 2009
On Sat, 18 Jul 2009, Jamon Camisso wrote:
> It is an interesting bug because it is a compiler related optimization that
> creates the conditions necessary to exploit it.
Yes. Unfortunately compiler optimisation bugs are more common that a lot
of people expect. They are very frustrating as a review of the source
code won't reveal the bug. Only testing or a review of the binary will.
> I doubt many people are running 2.6.30/220.127.116.11, and even fewer with
> SELinux/AppArmor etc. Pretty niche, but a great discovery on the researcher's
Agreed. If this is found to exploit earlier versions it could be bad.
I just watched this http://www.youtube.com/watch?v=UdkpJ13e6Z0
Based on that it is a local root exploit. Since it is in the net/tun
code I was a bit concerned it might be remotely exploitable.
I tried to change the world but they had a no-return policy
Projected IPv4 exhaustion: http://www.potaroo.net/tools/ipv4/index.html
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