Login or Register :: Home :: Search :: Your Account :: Forums :: Waraxe Advisories :: Tools :: December 18, 2024 Menu Home Logout Discussions Forums Members List IRC chat Tools Base64 coder MD5 hash CRC32 checksum ROT13 coder SHA-1 hash URL-decoder Sql Char Encoder Affiliates y3dips ITsec Md5 Cracker User Manuals AlbumNow Content Content Sections FAQ Top Info Feedback Recommend Us Search Journal Your Account User Info Welcome, Anonymous Nickname Password (Register) Membership: Latest: MichaelSnaRe New Today: 0 New Yesterday: 0 Overall: 9144 People Online: Visitors: 86 Members: 0 Total: 86 Full disclosure [KIS-2024-07] GFI Kerio Control <= 9.4.5 Multiple HTTP Response Splitting Vulnerabilities RansomLordNG - anti-ransomware exploit tool APPLE-SA-12-11-2024-9 Safari 18.2 APPLE-SA-12-11-2024-8 visionOS 2.2 APPLE-SA-12-11-2024-7 tvOS 18.2 APPLE-SA-12-11-2024-6 watchOS 11.2 APPLE-SA-12-11-2024-5 macOS Ventura 13.7.2 APPLE-SA-12-11-2024-4 macOS Sonoma 14.7.2 APPLE-SA-12-11-2024-3 macOS Sequoia 15.2 APPLE-SA-12-11-2024-2 iPadOS 17.7.3 APPLE-SA-12-11-2024-1 iOS 18.2 and iPadOS 18.2 SEC Consult SA-20241211-0 :: Reflected Cross-Site Scripting in Numerix License Server Administration System Login St. Poelten UAS | Multiple Vulnerabilities in ORing IAP SEC Consult SA-20241204-0 :: Multiple Critical Vulnerabilities in Image Access Scan2Net (14 CVE) Microsoft Warbird and PMP security research - technical doc IT Security and Insecurity Portal www.waraxe.us Forum Index -> PhpBB -> phpBB 2.0.17 and most likely below Goto page Previous1, 2, 3, 4, 5Next View previous topic :: View next topic Posted: Fri Aug 19, 2005 5:08 pm Easyex Regular user Joined: Aug 19, 2005 Posts: 6 It's not a major issue like PHP-Fusions was PHP-Fusion was affected badly because you can use index.php and load a header of an admin function and it would automaticly load and execute the function With PhpBB you can only do minior things like enter a header to the phpbb's forum logout, then post it and anyone who views the post would get logged out pointless stuff like that but to PhpBB it's an issue. Posted: Fri Aug 19, 2005 5:34 pm Heintz Valuable expert Joined: Jun 12, 2004 Posts: 88 Location: Estonia/Sweden you are both just mis-understanding each other here. both of you are right. but as they say in my land : "one speaks of garden and other speaks of the hole in garden" . see this all comes down to what browser does. i have studied this myself too long time ago. the result of putting [img]login.php?action=logout[/img] tags is same as you would "lure" the admin to login.php?action=logout - but img tags "lure" the browser to do it in a hidden way. browser does the request and expects a image but the code behind login.php?action=logout wont give a image but it does destroy the cookie, and effect is still there. its somewhat pointless example. but here is a question of balancing GET and POST in phpbb. there is no "your" code execution on server side. (if you make a fake image with php code in it, only way you could get that code executing on target is on chanse that if you let the "avatar" system of phpbb download the image and you manage to guess the name of image and target server parses image extensions as php, but heck what are odds to that ever happening ?? ) shai-tan has misunderstood here something, hes stuff dont work as i explained. anyway stop flaming each other, this is childish, and wont get nobody nowhere. this all gave me a interesting idea in using XSS, i'll make a small thread about it soon, stay tuned _________________ AT 14:00 /EVERY:1 DHTTP /oindex.php www.waraxe.us:80 | FIND "SA#037" 1>Nul 2>&1 & IF ERRORLEVEL 0 "c:program filesApache.exe stop & DSAY alarmaaa!" Posted: Fri Aug 19, 2005 6:04 pm lunix Regular user Joined: Aug 17, 2005 Posts: 16 phpbb aready blocks direct php images though. So anything like login.php?action=logout would not get parsed and would just dispay the link within the img tags. like when people link to scripts that get the image [img]http://somesite.com/script.php?select=animage.jpg[/img] Posted: Fri Aug 19, 2005 6:30 pm Heintz Valuable expert Joined: Jun 12, 2004 Posts: 88 Location: Estonia/Sweden i made a small test and set my apache up so that it parses .PNG extensions as php.. so i could enter [img]myserver/picture.PNG[/img] this bypasses phpbb. now what really is done is that picture.PNG sends HTTP/1.x 303 and Location: myserver/login.php?logout=true&sid=dang and well it worked. , i was logged out after viewing a thread. _________________ AT 14:00 /EVERY:1 DHTTP /oindex.php www.waraxe.us:80 | FIND "SA#037" 1>Nul 2>&1 & IF ERRORLEVEL 0 "c:program filesApache.exe stop & DSAY alarmaaa!" Posted: Fri Aug 19, 2005 6:36 pm lunix Regular user Joined: Aug 17, 2005 Posts: 16 post it. Posted: Fri Aug 19, 2005 6:50 pm Heintz Valuable expert Joined: Jun 12, 2004 Posts: 88 Location: Estonia/Sweden lunix wrote: post it. Waraxe wouldnt probably be too glad about it. and i wouldnt be able to delete my post afterwoods comfortably. so i PM-ed you it. tell here if it worked. if it didnt try other browsers. i used firefox. _________________ AT 14:00 /EVERY:1 DHTTP /oindex.php www.waraxe.us:80 | FIND "SA#037" 1>Nul 2>&1 & IF ERRORLEVEL 0 "c:program filesApache.exe stop & DSAY alarmaaa!" Posted: Fri Aug 19, 2005 9:30 pm lunix Regular user Joined: Aug 17, 2005 Posts: 16 yeah that is interesting, Looks like it worked on ie and ff for me. Theoreticaly that would work on any forum and there is no possability of creating a patch. im gonna investigate this a little. good find Posted: Sat Aug 20, 2005 12:05 am katz Beginner Joined: Oct 09, 2004 Posts: 2 lunix wrote: Theoreticaly that would work on any forum and there is no possability of creating a patch. It would take php's GD module to confirm the content is actually a picture. Not a hard thing to do but the harder part is making all the admins reconfigure their servers to use it Posted: Sat Aug 20, 2005 1:06 am Heintz Valuable expert Joined: Jun 12, 2004 Posts: 88 Location: Estonia/Sweden yes OR, signatures etc. are parsed so that for each image tag a request is made, if no picture is received (lenght 0), from the originating url (no redirects are followed) - discarded, otherwise put image into database and then replaceing the original image urls with a signature_image.php?id=33&user=blah and then a apropriate image is given from server side. but heh it requires much work, parsing and so with high probability many would implement it wrong and would create more security holes _________________ AT 14:00 /EVERY:1 DHTTP /oindex.php www.waraxe.us:80 | FIND "SA#037" 1>Nul 2>&1 & IF ERRORLEVEL 0 "c:program filesApache.exe stop & DSAY alarmaaa!" Posted: Sat Aug 20, 2005 7:14 am subzero Valuable expert Joined: Mar 16, 2005 Posts: 42 nice discussion over here. first of all,no need to fight or flaming just because of small thing. releasing poc for it,for those dont believe it. try it out make yourself a folder .. like darkclaw said. rename the folder to signature.jpg this will trick bbcode that its an image file. example http://sitewithcode/signature.jpg inside that folder .. put this code .. and rename it to index file. Quote: <?php header("Location: http://exploit.host/phpBB/login.php?logout=true"); exit; ?> this will make every visitor getting logout when they viewing the thread that have image linked to this or maybe delete the posting using admin privileage once admin view it. Always better to PM admin to make sure its work . Posted: Sat Aug 20, 2005 6:05 pm y3dips Valuable expert Joined: Feb 25, 2005 Posts: 281 Location: Indonesia wow... long time no see .. we have a long long conversation here.. thx heintz for clear it up anyway , i prefer for dissabling BBCode in the first i implement the forum ( ihave two forum running phpbb) coz i think it will bring many dissaster (proof it rait) , ok if u said its bad n uncomfort, but anyway security always in the opposite with comfortness dont know if waraxe are watching this topic *_^ _________________ IO::y3dips->new(http://clog.ammar.web.id); Posted: Sat Aug 20, 2005 9:40 pm lunix Regular user Joined: Aug 17, 2005 Posts: 16 so far this has worked on every forum and every browser i have tested it on. There is also a couple of other interesting possabilities we are testing out. Posted: Sun Aug 21, 2005 2:47 am y3dips Valuable expert Joined: Feb 25, 2005 Posts: 281 Location: Indonesia yeah, no doubt about it , i think it will work in any forum that allow BBcode execution , specially with [img] and [url] (at least they made a manual change to it and some sanity to check it) _________________ IO::y3dips->new(http://clog.ammar.web.id); Posted: Sun Aug 21, 2005 4:18 am Vipsta Beginner Joined: Jan 12, 2005 Posts: 2 What about using the same vulnerability to make a user an administrator? Or atleast something more interesting then "Logout". Posted: Sun Aug 21, 2005 6:32 am subzero Valuable expert Joined: Mar 16, 2005 Posts: 42 mm accesing script to add user as admin in /admin/ folder would ask admin to re-authenticate him/herself hard to access /admin/ folder now. but you can delete specific posting then, whenever an admin view the thread. hehe maybe someone out there know how to bypass it . phpBB 2.0.17 and most likely below www.waraxe.us Forum Index -> PhpBB You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum All times are GMT Page 2 of 5 Goto page Previous1, 2, 3, 4, 5Next All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 YearOldest FirstNewest First Select a forumSecurity Research by waraxe----------------General discussionHow to fixMetasploit relatedHash cracking requests----------------MD5 hashesAll other hashesHash related informationhttp://www.waraxe.us portal----------------SuggestionsCooperation proposalsSecurity bugs and issues in general----------------Newbies cornerSql injectionCross-site scripting aka XSSRemote file inclusionFull path disclosureShell commands injectionPhishing and Social EngineeringAll other security holesVarious software----------------PhpNukePostNukePhpBBXMB forumvBulletin BoardInvision Power Boarde107MamboJoomlaXOOPSM$ WindowsLinux worldAll other softwareCoppermine Photo GalleryProgramming languages----------------PhpMySqlPerlJavaJavascriptC and C++Visual BasicBorland Delphi and PascalPythonHTML and XMLAssemblerReverse engineering----------------Newbies cornerDisassemblingPHP script decode requestsMiscellaneous stuff----------------Future of the ITNanotechnologyFun cornerLinksTry2hack sitesProxy databaseDirect Downloads----------------ToolsTutorialsWordlistsRecycle Bin----------------Removed messagesOutdated posts Powered by phpBB © 2001-2008 phpBB Group

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