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IT Security and Insecurity Portal |
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IPB attachment folder |
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 Posted: Fri Mar 07, 2008 4:40 pm |
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| Nial |
| Advanced user |
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| Joined: Feb 29, 2008 |
| Posts: 103 |
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I have access to an admin account on a IPB 2.1.3
I add php type of attachment files and upload a php shell on the site.. But when i want to launch it in my profile, it just download it.
So my question is how i can get the path to my php files like uploads/file.php (it doesnt work) and not juste get it with GET method in the url.
Any help for the upload dir or in general? |
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| Posted: Fri Mar 07, 2008 7:09 pm |
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| pexli |
| Valuable expert |
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| Joined: May 24, 2007 |
| Posts: 665 |
| Location: Bulgaria |
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New extension .phtml
Mime type application/octet-stream .phtml
Upload your shell with ext shell.phtml and look in ./uploads/shell.phtml |
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| Posted: Sat Mar 08, 2008 12:32 am |
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| Nial |
| Advanced user |
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| Joined: Feb 29, 2008 |
| Posts: 103 |
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Mime type : application/octet-stream .phtml or just application/octet-stream ?
Anyway, i dont find the file i upload... I saw that in ibp the location was crypted with something like MSG-id-dontremember-timestamp when the file was add. I am not sure, have you some clues? |
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| Posted: Sat Mar 08, 2008 4:10 am |
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| Nial |
| Advanced user |
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| Joined: Feb 29, 2008 |
| Posts: 103 |
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Hmm when i upload the phtml file, i ve turn on the DEBUG mode, and when i get the location, i see it replace .phtml or .php by .ibp
Is there a way ipb doesnt change the extension? |
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| Posted: Sat Mar 08, 2008 4:18 am |
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| waraxe |
| Site admin |
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| Joined: May 11, 2004 |
| Posts: 2407 |
| Location: Estonia, Tartu |
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| Nial wrote: | Hmm when i upload the phtml file, i ve turn on the DEBUG mode, and when i get the location, i see it replace .phtml or .php by .ibp
Is there a way ipb doesnt change the extension? |
If you upload "test.php.php", then you get "test.php.ibp"??
If so, then try to access "test.php.ibp" via web - there is big chance that php code will execute. It's old and widely known Apache behavior in case of unknown file extensions and "php." substring in filename  |
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| Posted: Sat Mar 08, 2008 4:30 am |
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| Nial |
| Advanced user |
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| Joined: Feb 29, 2008 |
| Posts: 103 |
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I just test it, the location is always just *.ibp
| Code: | | INSERT INTO ibf_attachments (attach_ext,attach_file,attach_location,attach_thumb_location,attach_hits,attach_date,attach_temp,attach_pid,attach_post_key,attach_member_id,attach_filesize,attach_is_image) VALUES('php','test.php.php','post-2-1204950258.ipb','','',1204950258,0,'','6413df11172426d5798962a5cc0f85d0',2,83266,0) |
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| Posted: Sat Mar 08, 2008 5:15 am |
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| waraxe |
| Site admin |
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| Joined: May 11, 2004 |
| Posts: 2407 |
| Location: Estonia, Tartu |
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| Code: |
post-2-1204950258.ipb
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As you can see - IPB is smart enough to rename file completely, so that ".php." trick will not work.
IPB is hard target, you can't find easy security holes from it |
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| Posted: Sat Mar 08, 2008 8:31 am |
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| pexli |
| Valuable expert |
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| Joined: May 24, 2007 |
| Posts: 665 |
| Location: Bulgaria |
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| Posted: Sat Mar 08, 2008 1:52 pm |
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| Nial |
| Advanced user |
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| Joined: Feb 29, 2008 |
| Posts: 103 |
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I get root admin level, i ve dump the forum database, but the password field are all blank. Is there anything i can do with my root admin lvl?  |
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| Posted: Thu Aug 14, 2008 11:25 am |
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| Henderson |
| Valuable expert |
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| Joined: Jul 11, 2008 |
| Posts: 58 |
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| AFAIR I managed to upload a shell on IPB 2.1.6 using "Emoticon Manager". Go to "Administration" ->"Look and feel"->"Manage emoticons" and upload your file into one of the directories e.g. default. Then you can acccess it from /forum/style_emoticons/default/shell.php |
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