full-disclosure - Re: Reflection Scan: an Off-Path Attack on TCP

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Date: Thu, 19 Jan 2012 15:18:20 +0900
From: Robert Kim App and Facebook Marketing <evdo.hsdpa@...il.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: Reflection Scan: an Off-Path Attack on TCP

Is there a diagram or a video? I'm not a professional IT guy so I'm gunna
need something of a tutorial! HAHA!

On Thu, Jan 19, 2012 at 11:22 AM, xD 0x41 <secn3t@...il.com> wrote:

> On 18 January 2012 09:45, Jan Wrobel <wrr@...edbit.org> wrote:
> > Hi,
> >
> > This TCP session hijacking technique might be of interest to some of you.
> >
> > Abstract:
> > The paper demonstrates how traffic load of a shared packet queue can
> > be exploited as a side channel through which protected information
> > leaks to an off-path attacker. The attacker sends to a victim a
> > sequence of identical spoofed segments. The victim responds to each
> > segment in the sequence (the sequence is reflected by the victim) if
> > the segments satisfy a certain condition tested by the attacker. The
> > responses do not reach the attacker directly, but induce extra load on
> > a routing queue shared between the victim and the attacker. Increased
> > processing time of packets traversing the queue reveal that the tested
> > condition was true. The paper concentrates on the TCP, but the
>
>
-- Robert Q Kim
High Volume and Digital Printing Company in Seoul
http://www.youtube.com/watch?v=CaWEWl8saHw
San Diego, CA 92007
310 598 1606

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