full-disclosure - Re: Insect Pro - Advisory 2011 0428 - Zero Day - Heap Buffer Overflow in xMatters APClient

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Message-ID: <4DBD43C7.90002@fibertel.com.ar>
Date: Sun, 01 May 2011 08:28:07 -0300
From: root <root_@...ertel.com.ar>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: Insect Pro - Advisory 2011 0428 - Zero Day -
 Heap Buffer Overflow in xMatters APClient

This is not simply wrong, this is medically wrong.


On 04/29/2011 12:43 AM, Mario Vilas wrote:
> Precisely. The poc triggers the bug by passing a very long command line
> argument, so it's assumed the attacker already has executed code. The only
> way this is exploitable is if the binary has suid (then the attacker can
> elevate privileges) or the command can be executed remotely (and the
> attacker additionaly cannot execute any other commands, but can mysteriously
> control the arguments). Unless either scenario is researched (and nothing in
> the advisory tells me so) I call bullshit.
> 
> On Thu, Apr 28, 2011 at 6:09 PM, <Valdis.Kletnieks@...edu> wrote:
> 
>> On Thu, 28 Apr 2011 14:40:22 -0300, Mario Vilas said:
>>
>>> Is the suid bit set on that binary? Otherwise, unless I'm missing
>> something
>>> it doesn't seem to be exploitable by an attacker...
>>
>> Who cares?  You got code executed on the remote box, that's the *hard*
>> part.
>> Use that to inject a callback shell or something, use *that* to get
>> yourself a shell
>> prompt.  At that point, download something else that exploits you to root -
>> if
>> you even *need* to, as quite often the Good Stuff is readable by non-root
>> users.
>>
> 
> 
> 
> 
> 
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