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Bug#307270: marked as done (eskuel: arbitrary file retreiving)

Subject: Bug#307270: marked as done eskuel: arbitrary file retreiving
From: Debian Bug Tracking System
Date: Tue, 05 Jul 2005 14:48:59 -0700
Your message dated Tue, 05 Jul 2005 12:32:38 -0400
with message-id <[email protected]>
and subject line Bug#307270: fixed in eskuel 1.0.6-1
has caused the attached Bug report to be marked as done.

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If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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From: Gerardo Di Giacomo <[email protected]>
To: Debian Bug Tracking System <[email protected]>
Subject: eskuel: arbitrary file retreiving
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Date: Sun, 01 May 2005 22:32:53 +0200
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Package: eskuel
Version: 1.0.5-3
Severity: critical
Tags: security patch
Justification: causes serious data loss

It's possible to read any file on the system.
File: include/functions.inc.php
Vulnerable function: select_lang_config()
Vulnerable code:

$lang_config_cookie = (isset($HTTP_COOKIE_VARS['ConfLangCookie'])) ?  
$HTTP_COOKIE_VARS['ConfLangCookie'] : '';
$force_config           = (isset($HTTP_POST_VARS['lang_config'])) ?  
$HTTP_POST_VARS['lang_config'] : '';

if ($force_config != '') {
        $lang_conf = $force_config;
($lang_config_cookie != '') {
        $lang_conf = $lang_config_cookie; }
        $lang_conf = $conf['defaultTxt'];
($lang_conf == '') {
        $lang_conf = 'francais.inc.php';
### Getting the good $txt var from the lang res file
include './lang/'.$lang_conf;

Vulnerability details and exploitation way:
It's possible to use the "ConfLangCookie" cookie value or the "lang_config" 
post value to specify an arbitrary file, that will be included with the 
"include './lang/'.$lang_conf" istruction.
If one of "ConfLangCookie" or "lang_config" value is 
"../../../../../../../../../../../etc/passwd", it's possible to read the 

Simple patch:

($lang_conf == '') {
        $lang_conf = 'francais.inc.php';
+ if (strpos("..", $lang_conf) !== FALSE) die("Invalid language file");
### Getting the good $txt var from the lang res file
include './lang/'.$lang_conf;

-- System Information:
Debian Release: 3.1
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.10-1-686
Locale: [email protected], [email protected] (charmap=UTF-8)

Versions of packages eskuel depends on:
ii  apache2                      2.0.54-2    next generation, scalable, extenda
ii  apache2-mpm-prefork [apache2 2.0.54-2    traditional model for Apache2
ii  php4-cgi                     4:4.3.10-13 server-side, HTML-embedded scripti
ii  php4-mysql                   4:4.3.10-13 MySQL module for php4

-- no debconf information

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From: Amaya Rodrigo Sastre <[email protected]>
To: [email protected]
X-Katie: $Revision: 1.56 $
Subject: Bug#307270: fixed in eskuel 1.0.6-1
Message-Id: <[email protected]>
Sender: Archive Administrator <[email protected]>
Date: Tue, 05 Jul 2005 12:32:38 -0400
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Source: eskuel
Source-Version: 1.0.6-1

We believe that the bug you reported is fixed in the latest version of
eskuel, which is due to be installed in the Debian FTP archive:

  to pool/main/e/eskuel/eskuel_1.0.6-1.diff.gz
  to pool/main/e/eskuel/eskuel_1.0.6-1.dsc
  to pool/main/e/eskuel/eskuel_1.0.6-1_all.deb
  to pool/main/e/eskuel/eskuel_1.0.6.orig.tar.gz

A summary of the changes between this version and the previous one is

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
Amaya Rodrigo Sastre <[email protected]> (supplier of updated eskuel package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])

Hash: SHA1

Format: 1.7
Date: Tue,  5 Jul 2005 17:15:23 +0200
Source: eskuel
Binary: eskuel
Architecture: source all
Version: 1.0.6-1
Distribution: unstable
Urgency: low
Maintainer: Amaya Rodrigo Sastre <[email protected]>
Changed-By: Amaya Rodrigo Sastre <[email protected]>
 eskuel     - A pretty PHP administration tool for MySQL databases
Closes: 307270
 eskuel (1.0.6-1) unstable; urgency=low
   * New upstream release.
   * Maintainer upload that (Closes: #307270).
 0523455a23860cb93a102960380a2aa4 565 web optional eskuel_1.0.6-1.dsc
 9f66638a204122d7ecf2081d962bce30 150538 web optional eskuel_1.0.6.orig.tar.gz
 a54796d6b494a5b4f76ab3127e740808 2163 web optional eskuel_1.0.6-1.diff.gz
 352739638c50f5693124b481f4f17c57 149446 web optional eskuel_1.0.6-1_all.deb

Version: GnuPG v1.4.1 (GNU/Linux)


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