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Home arrow SecurityAlert Database

Arrow  Topic :

hdweGUEST <= 2.1.1 Cross Site Scripting Vulnerabilities


Arrow  SecurityAlert : 1258
Arrow  CVE : CVE-2006-3765
Arrow  SecurityRisk : Low  Security Risk Low  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Available : Yes
Arrow  Credit : Tamriel [tamriel at gmx dot net]
Arrow  Published : 25.07.2006

Arrow  Affected Software : hdweGUEST 2.1.1



Arrow  Advisory Content :  

-----BEGIN PGP SIGNED MESSAGE-----

Hash: SHA1

Advisory: hdweGUEST <= 2.1.1 Cross Site Scripting Vulnerabilities

Release Date: 2006/07/18

Last Modified: 2006/07/18

Author: Tamriel [tamriel at gmx dot net]

Application: hdweGUEST 2.1.1

Risk: Low

Vendor Status: contacted | no reply | no patch available

Vendor Site: www.huttenlocher-webdesign.de

Overview:

Quote from www.huttenlocher-webdesign.de

"hwdeGUEST ist ein Gaestebuch geschrieben in PHP. Es bietet dem

Betreiber eine Vielzahl von Moeglichkeiten"

Details:

In the new_entry.php are some possible cross site scripting

vulnerabilities.

This can be used to insert malicious code that will be executed

on the client's machine.

All user inputs are not checked by the script, only in this lines

(arround line 250-255)

...

$username=trim($username);

$usernachricht=trim($usernachricht);

if($GLOBALS[html_allowed]==0)

{$usernachricht=strip_tags($usernachricht);}

...

and the mail input is checked by this function:

(arround line 70-80)

...

if(strstr($adresse,"@"))

{

$temp_adresse=explode("@",$adresse);

if(strstr($temp_adresse[1],"."))

{

if(strlen($adresse)<8)

{return false;}

else

{return true;}

}

else

{return false;}

}

...

Proof of Concept:

Insert HTML/JS Code like "<u>name</u>" into the name input field

on "new entry" page.

Solution/Note:

It is strongly recommended to update your script by yourself.

Use the htmlentities() function and replace some insecure functions

like the checke_email()'s one with proper code.

Greets:

Greets fly out to all people at bluegeek.de

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ZjypE373XsBXJW4HJNURdHc=

=Q3xe

-----END PGP SIGNATURE-----




Arrow  Feedback :

If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com.
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