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Re: Linux zero IP ID vulnerability?


From: Marco Ivaldi <raptor () 0xdeadbeef info>
Date: Thu, 23 Mar 2006 11:13:07 +0100 (CET)

On Fri, 17 Mar 2006, Marco Ivaldi wrote:

After further testing, i confirm that Linux 2.6 seems to be vunerable in
every configuration i've seen so far. Since i didn't get any feedback
yet from the Linux kernel developers nor from Cisco (other vendors may
also be affected) i've the feeling they're not going to fix this any
soon: in the next days i'll see if i can find some spare time to dig a
bit into kernel code to identify the cause and maybe even provide a
patch.

FYI, a patch to handle this in 2.6 just showed up in Linus' kernel tree:

http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff_plain;h=1a55d57b107c3e06935763905dc0fb235214569d;hp=6a534ee35cfd02f60e99d301b9ac446ea11a9cfd

-- 
Marco Ivaldi
Antifork Research, Inc.   http://0xdeadbeef.info/
3B05 C9C5 A2DE C3D7 4233  0394 EF85 2008 DBFD B707


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