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[NOTABUG] Got past the untaint check! #113891
01/30/05 11:38 PM
01/30/05 11:38 PM
O
oracleweb  Offline OP
member
Joined: Apr 2004
Posts: 141
w00t!

http://www.ubbcentral.com/cgi-bin/ultimatebb.cgi?ubb=recent_user_posts

I was viewing a member's recent posts on my forum

( http://www.ianspence.com/cgi-bin/ultimatebb.cgi?ubb=recent_user_posts;u=00000071 )

I then went to check mine. Knowing I'm #1 <img src="https://www.ubbcentral.com/boards/images/graemlins/tongue.gif" alt="" /> , I deleted the 7 and forgot it had to be 8 numbers long. Anyhoo, I got past the check. I then checked here to make sure it wasn't one of my modifications.

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Re: [NOTABUG] Got past the untaint check! #113892
01/30/05 11:40 PM
01/30/05 11:40 PM
R
Ron M  Offline
enthusiast
Joined: Jun 2006
Posts: 361
Des Moines, IA
How did you get past the untaint check? at CGIPath/ubb_profile.cgi line 1142.

This can be confirmed on an unmodified 6.7.2 board (mine)

Re: [NOTABUG] Got past the untaint check! #113893
01/31/05 01:50 AM
01/31/05 01:50 AM
Gizmo  Offline
UBB.threads Developer
Joined: Jun 2006
Posts: 16,956
Portland, OR; USA
Confirmed on my 6.7.2 modified forum; it's kinda fun to add more/less "0's" to the address bar for the user number; it gets past in either direction.


I am a Web Development Contractor, I do not work for UBBCentral. I have provided free User to User Support since the beginning of these support forums.
Forums: A Gardeners Forum Scouters World
UBB.threads: UBBWiki, UBB Styles, UBB.Sitemaps
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Re: [NOTABUG] Got past the untaint check! #113894
01/31/05 02:32 PM
01/31/05 02:32 PM
David Dreezer  Offline

Pooh-Bah
Joined: Jul 2006
Posts: 2,199
This is the designed behavior - you didn't actually pass in a valid eight digit user number. The code intentionally does not forcefully mangle the number.


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Re: [NOTABUG] Got past the untaint check! #113895
02/01/05 12:15 AM
02/01/05 12:15 AM
Gizmo  Offline
UBB.threads Developer
Joined: Jun 2006
Posts: 16,956
Portland, OR; USA
Wouldn't it instead make more sense to state "you have not entered a valid 8 digit member id" vs "you have bypassed the taint check"?


I am a Web Development Contractor, I do not work for UBBCentral. I have provided free User to User Support since the beginning of these support forums.
Forums: A Gardeners Forum Scouters World
UBB.threads: UBBWiki, UBB Styles, UBB.Sitemaps
Longtime Supporter & Resident Post-A-Holic
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Re: [NOTABUG] Got past the untaint check! #113896
02/01/05 11:13 AM
02/01/05 11:13 AM
David Dreezer  Offline

Pooh-Bah
Joined: Jul 2006
Posts: 2,199
There are no conditions in which an invalid link can be generated to that page. The error isn't meant to be user-friendly, as it's one of those "this can't happen" errors.


This thread for sale. Click here! [Linked Image]
Re: [NOTABUG] Got past the untaint check! #113897
02/01/05 01:08 PM
02/01/05 01:08 PM
Gizmo  Offline
UBB.threads Developer
Joined: Jun 2006
Posts: 16,956
Portland, OR; USA
Yeh, but there are many ways that a user can mess a direct link to that page up in a sig/post then whine that the board has a bug lol


I am a Web Development Contractor, I do not work for UBBCentral. I have provided free User to User Support since the beginning of these support forums.
Forums: A Gardeners Forum Scouters World
UBB.threads: UBBWiki, UBB Styles, UBB.Sitemaps
Longtime Supporter & Resident Post-A-Holic
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