Login or Register :: Home :: Search :: Your Account :: Forums :: Waraxe Advisories :: Tools :: November 21, 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: 88 Members: 0 Total: 88 Full disclosure SEC Consult SA-20241112-0 :: Multiple vulnerabilities in Siemens Energy Omnivise T3000 (CVE-2024-38876, CVE-2024-38877, CVE-2024-38878, CVE-2024-38879) Security issue in the TX Text Control .NET Server for ASP.NET. SEC Consult SA-20241107-0 :: Multiple Vulnerabilities in HASOMED Elefant and Elefant Software Updater Unsafe eval() in TestRail CLI 4 vulnerabilities in ibmsecurity 32 vulnerabilities in IBM Security Verify Access xlibre Xnest security advisory & bugfix releases APPLE-SA-10-29-2024-1 Safari 18.1 SEC Consult SA-20241030-0 :: Query Filter Injection in Ping Identity PingIDM (formerly known as ForgeRock Identity Management) (CVE-2024-23600) SEC Consult SA-20241023-0 :: Authenticated Remote Code Execution in Multiple Xerox printers (CVE-2024-6333) APPLE-SA-10-28-2024-8 visionOS 2.1 APPLE-SA-10-28-2024-7 tvOS 18.1 APPLE-SA-10-28-2024-6 watchOS 11.1 APPLE-SA-10-28-2024-5 macOS Ventura 13.7.1 APPLE-SA-10-28-2024-4 macOS Sonoma 14.7.1 IT Security and Insecurity Portal www.waraxe.us Forum Index -> PhpBB -> Help with XSS on phpBB View previous topic :: View next topic Help with XSS on phpBB Posted: Thu Nov 06, 2008 1:33 pm theanderson Regular user Joined: Nov 03, 2008 Posts: 6 In the target forum I found a vulnerable php script which is prone to XSS. I ve already coded what I need to get the administrator's cookies. But before retrieving the admin's cookie, my question is: once I have got the cookie, how do I access the administration panel(*)? And from there what are the things I can do to install a web shell(**)? the forum should be phpBB 2.0.20 (according to /docs/CHANGELOG.html) (*) I know I have to perform a session hijack, but since then, is the admin panel accessible or I have to input the password anyways? (**) I ve already used a RCE script (by rgod) but idk if I was able to extract the admin session's id from the cookie (prolly not), where should I look to find the admin session id? does that session id grant me access to the admin panel? Please I don't wanna beg anyone, but I m tired of searching google and finding nothing. Posted: Thu Nov 06, 2008 1:52 pm waraxe Site admin Joined: May 11, 2004 Posts: 2407 Location: Estonia, Tartu As far as i know, phpbb is checking IP address/session ID match. So if you have stolen sessionID, then you can't use it in most cases. Now, there is something else you can try. If you can trick admin to visit your website and in same time he's logged in as admin and if you can use XSS hole (classical reflected XSS scenario), then you can actually commit CSRF attack!! Phpbb uses cryptographic nonce as anti-XSRF measure, but XSS will make it useless!! So for example you can make victim's browser to submit new admin creation form - silently and with user data you can provide:) http://en.wikipedia.org/wiki/XSRF Posted: Thu Nov 06, 2008 2:12 pm theanderson Regular user Joined: Nov 03, 2008 Posts: 6 waraxe wrote: As far as i know, phpbb is checking IP address/session ID match. So if you have stolen sessionID, then you can't use it in most cases. Now, there is something else you can try. If you can trick admin to visit your website and in same time he's logged in as admin and if you can use XSS hole (classical reflected XSS scenario), then you can actually commit CSRF attack!! Phpbb uses cryptographic nonce as anti-XSRF measure, but XSS will make it useless!! So for example you can make victim's browser to submit new admin creation form - silently and with user data you can provide:) http://en.wikipedia.org/wiki/XSRF Thanks waraxe, could you help me building the form I need to create a new admin user on phpBB 2.0.20? (googling in the while...) EDIT: Found something at http://hackish.altervista.org/forum/viewtopic.php?t=405 Code: <html> <iframe name="hackinginside" frameborder="0" height="0" width="0"></iframe> <form action="http://site.com/path/groupcp.php?g=[GROUP_ID]" method="post" name="vincy" target="hackinginside"> <input type="hidden" name="username" value="[YOUR_NAME]"> <input type="submit" name="add" value="Add Member"></form> <script>document.vincy.submit()</script> </html> But I don't know how much could this help me, because the forum's admin doesn't seem to belong to any "group"... Posted: Thu Nov 06, 2008 8:52 pm waraxe Site admin Joined: May 11, 2004 Posts: 2407 Location: Estonia, Tartu Gimme some time, i will try to find best working XSRF solution for this and then post all info here Help with XSS on phpBB 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 1 of 1 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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