full-disclosure - Re: IPS Evasion with the Apache HTTP Server

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Message-ID: <4ef5fec60706191454t5e703f27oea368950880df4fc@mail.gmail.com>
Date: Tue, 19 Jun 2007 14:54:28 -0700
From: coderman <coderman@...il.com>
To: "Valdis.Kletnieks@...edu" <Valdis.Kletnieks@...edu>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: IPS Evasion with the Apache HTTP Server

On 6/19/07, Valdis.Kletnieks@...edu <Valdis.Kletnieks@...edu> wrote:
> ...
> I'm tempted to take that bet.  Lot of people have thrown lots of truly wild
> stuff at the Apache code over the years - it may react in *unexpected* ways,
> but it's probably pretty bulletproof.

agreed.

> On the other hand, that little webserver admin tool that's stuffed into one
> corner of your DSL modem's ROM probably got tested ... with little to no
> serious abuse of the interface.

absolutely.  i didn't mean to imply that embedded and lightweight
webservers were more robust, they surely aren't.  only that they would
be much less likely to interpret arbitrary unprintable characters in a
request as valid.

in particular, buffer overflows are not uncommon for embedded devices,
like those who don't expect a request URL to exceed 1024 characters,
etc...

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