xGuestBook v1.02 Full Path Disclosure

2006.08.01

Credit: dicomdk gmail com

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2006-3937

CWE: CWE-Other

Ogólna skala CVSS: 5/10

Znaczenie: 2.9/10

Łatwość wykorzystania: 10/10

Wymagany dostęp: Zdalny

Złożoność ataku: Niska

Autoryzacja: Nie wymagana

Wpływ na poufność: Częściowy

Wpływ na integralność: Brak

Wpływ na dostępność: Brak

###################Dicomdk####################

Full Path Disclosure xGuestBook v1.02        #

#

http://xatrix.xa.funpic.de/xguestbook2/      #

#

By : X-boy                                   #

##############################################

http://[HOST]/post.php

Test : http://xatrix.xa.funpic.de/xguestbook2/post.php

Result :

========

Notice: Undefined index: user in [site]\post.php on line 15

Notice: Undefined index: mail in [site]\post.php on line 16

Notice: Undefined index: p in [site]\post.php on line 17

Notice: Undefined index: url in [site]\post.php on line 19

##############################################

Patch :                                      #

##############################################

-Open post.php

-Find :

$user  = HTMLSPECIALCHARS(trim($_POST['user']));

$email = HTMLSPECIALCHARS(trim($_POST['mail']));

$post  = nl2br(HTMLSPECIALCHARS($_POST['p']));

$post  = str_replace("  "," ",$post);

$url   = HTMLSPECIALCHARS(trim($_POST['url']));

$date  = date("Y-m-d g:i:s");

-Change to :

if (isset($_POST['user']) AND isset($_POST['mail']) AND isset($_POST['p']) AND isset($_POST['url']))

{

$user  = HTMLSPECIALCHARS(trim($_POST['user']));

$email = HTMLSPECIALCHARS(trim($_POST['mail']));

$post  = nl2br(HTMLSPECIALCHARS($_POST['p']));

$post  = str_replace("  "," ",$post);

$url   = HTMLSPECIALCHARS(trim($_POST['url']));

$date  = date("Y-m-d g:i:s");

}

##############################################

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xGuestBook v1.02 Full Path Disclosure

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