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: 45 Members: 0 Total: 45 Full disclosure APPLE-SA-11-19-2024-1 Safari 18.1.1 Reflected XSS - fronsetiav1.1 XXE OOB - fronsetiav1.1 St. Poelten UAS | Path Traversal in Korenix JetPort 5601 St. Poelten UAS | Multiple Stored Cross-Site Scripting in SEH utnserver Pro Apple web content filter bypass allows unrestricted access to blocked content (macOS/iOS/iPadOS/visionO S/watchOS) 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) IT Security and Insecurity Portal www.waraxe.us Forum Index -> Sql injection -> SQL Injection. View previous topic :: View next topic SQL Injection. Posted: Thu Jan 28, 2010 11:45 am RachelNJ Beginner Joined: Jan 28, 2010 Posts: 3 Hi, I'm trying some SQL injection for the first time and it is confusing the hell out of me. How on earth do you find if something is vulnerable? I have some software locally and on a website, I tried ' in login field and the result is: Code: Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /home/xxxxx/public_html/xxx/xxx_login.php on line 85 What sort of thing should I be looking for and is there anyone who can take a look at this PHP software and tell me what to try to see if it is vulnerable to anything? Been reading some guides and tutorials but have come out more confused than before. Posted: Thu Jan 28, 2010 11:58 am waraxe Site admin Joined: May 11, 2004 Posts: 2407 Location: Estonia, Tartu That error message indicates possible sql injection. But you don't have sql error feedback, so exploitation will be harder than in book examples. Anyway, what's your goal? Are you intended to learn as much as possible about sql injections? Or you wanna just work with specific target? Posted: Thu Jan 28, 2010 12:03 pm RachelNJ Beginner Joined: Jan 28, 2010 Posts: 3 waraxe wrote: That error message indicates possible sql injection. But you don't have sql error feedback, so exploitation will be harder than in book examples. Anyway, what's your goal? Are you intended to learn as much as possible about sql injections? Or you wanna just work with specific target? Bit of both, the goal is to exploit both of these (the site + software) and learn some in the process. Where to from here? Posted: Thu Jan 28, 2010 12:26 pm waraxe Site admin Joined: May 11, 2004 Posts: 2407 Location: Estonia, Tartu Do you have source code for that vulnerable software? With source and local test installation it is easy to make exploits work, because you can always implement debug methods - mysql_error, var_dump, ... If you have remote target without knowing the source code ("black box"), then start with getting sql injection syntax right. By the way, have you read sql injection whitepapers and/or tutorials publicly available? Anyway, if you have sql injection in login script, then there is mainly two different ways to exploit: 1. authentication bypass 2. traditional sql injection for data fetch (UNION, subselects, ...), file manipulation, etc Authentication bypass may work on some targets, but not for all. And it may bring up anomalies in software behavior. Traditional UNION tricks and things like that are better choice, but first I suggest you to try to find other sql injection points, for example in search script. It is alot better, if you have sql error feedback. Now, you can try some tests: Code: ' OR 'c'='c ' OR 3=3/* ') OR 3=3/* ')) OR 3=3/* Look for response in each case - does it show errors or other anomalies in software behavior? Posted: Thu Jan 28, 2010 12:31 pm RachelNJ Beginner Joined: Jan 28, 2010 Posts: 3 waraxe wrote: Do you have source code for that vulnerable software? With source and local test installation it is easy to make exploits work, because you can always implement debug methods - mysql_error, var_dump, ... If you have remote target without knowing the source code ("black box"), then start with getting sql injection syntax right. By the way, have you read sql injection whitepapers and/or tutorials publicly available? Anyway, if you have sql injection in login script, then there is mainly two different ways to exploit: 1. authentication bypass 2. traditional sql injection for data fetch (UNION, subselects, ...), file manipulation, etc Authentication bypass may work on some targets, but not for all. And it may bring up anomalies in software behavior. Traditional UNION tricks and things like that are better choice, but first I suggest you to try to find other sql injection points, for example in search script. It is alot better, if you have sql error feedback. Now, you can try some tests: Code: ' OR 'c'='c ' OR 3=3/* ') OR 3=3/* ')) OR 3=3/* Look for response in each case - does it show errors or other anomalies in software behavior? ' OR 3=3/* produced no error messages, the other 3 produced same as in OP. No source code on this one. Posted: Thu Jan 28, 2010 2:13 pm waraxe Site admin Joined: May 11, 2004 Posts: 2407 Location: Estonia, Tartu Seems to be sql injection without useful feedback - you must use blind injection methods and fetch data bit by bit. That's not for beginners, but I can show you some further tests, if you want to. 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