[Full-disclosure] GaesteChaos <= 0.2 Multiple Vulnerabilities

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

  Advisory: GaesteChaos <= 0.2 Multiple Vulnerabilities

Release Date: 2006/08/04
Last Modified: 2006/08/03
Author: Tamriel [tamriel at gmx dot net]
Application: GaesteChaos <= 0.2
Risk: Moderate
Vendor Status: not contacted
Vendor Site: www.chaossoft.de

Overview:

Quote from www.chaossoft.de:

"GaesteChaos ist ein Gaestebuch fur Ihre Homepage. Es
ist klein und kompakt in PHP geschrieben und benutzt
mySQL, um die Daten abzuspeichern."

Details:

1) In the eintragen.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.

  The input fields "gastname" and "gastwohnort" will be not checked
  by this script.

2) SQL Injection Vulnerabilities in eintragen.php
(arround line 35-45)

  ...
  
  mysql_db_query($database, "INSERT INTO $tabellekommentar SET
  eintragid = '$komwelches', name = '$gastname',email = '$gastemail',
  wohnort = '$gastwohnort', datum ='$timestamp', ip = '$tempip',
  host = '$hosti', homepage = '$gasthomepage', eintrag =

'$gasteintrag',
geschlecht = '$geschlechti'");

  ...

Solution:

  Take a view on PHP's htmlentities and mysql_real_escape_string

functions.

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.3 (MingW32)

iD8DBQFE0oGOqBhP+Twks7oRAhonAKCIcumXeAc03GGhF4gKdgLH/efX1gCgk+5x
BqnmUiRb5A5fGgcOggVjQnQ=
=sMQh
-----END PGP SIGNATURE-----

---

Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/