Fixed another bug on Microsoft SQL Server custom "limited" query reported by Konrads Smelkovs

This commit is contained in:
Bernardo Damele 2009-02-02 23:44:19 +00:00
parent 9ab174a444
commit 770e000cb4
4 changed files with 34 additions and 17 deletions

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@ -127,7 +127,8 @@ M Simkin <mlsimkin@cox.net>
for suggesting a feature
Konrads Smelkovs <konrads@smelkovs.com>
for reporting two bugs in --sql-shell and --sql-query
for reporting a few bugs in --sql-shell and --sql-query on Microsoft
SQL Server
Jason Swan <jasoneswan@gmail.com>
for reporting a bug when enumerating columns on Microsoft SQL Server

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@ -471,10 +471,26 @@ class Agent:
limitedQuery += "=%d" % (num + 1)
elif kb.dbms == "Microsoft SQL Server":
forgeNotIn = True
if " ORDER BY " in limitedQuery:
limitedQuery = limitedQuery[:limitedQuery.index(" ORDER BY ")]
if not limitedQuery.startswith("SELECT TOP ") and not limitedQuery.startswith("TOP "):
if limitedQuery.startswith("SELECT TOP ") or limitedQuery.startswith("TOP "):
topNums = re.search(queries[kb.dbms].limitregexp, limitedQuery, re.I)
if topNums:
topNums = topNums.groups()
quantityTopNums = topNums[0]
limitedQuery = limitedQuery.replace("TOP %s" % quantityTopNums, "TOP 1", 1)
startTopNums = topNums[1]
limitedQuery = limitedQuery.replace(" (SELECT TOP %s" % startTopNums, " (SELECT TOP %d" % num)
forgeNotIn = False
else:
topNum = re.search("TOP\s+([\d]+)\s+", limitedQuery, re.I).group(1)
limitedQuery = limitedQuery.replace("TOP %s " % topNum, "")
if forgeNotIn == True:
limitedQuery = limitedQuery.replace("SELECT ", (limitStr % 1), 1)
if " WHERE " in limitedQuery:
limitedQuery = "%s AND %s " % (limitedQuery, field)
@ -482,12 +498,6 @@ class Agent:
limitedQuery = "%s WHERE %s " % (limitedQuery, field)
limitedQuery += "NOT IN (%s" % (limitStr % num)
limitedQuery += "%s %s)" % (field, fromFrom)
else:
topNums = re.search("TOP\s+([\d]+)\s+.+?\s+FROM\s+.+?\s+WHERE\s+.+?\s+NOT\s+IN\s+\(SELECT\s+TOP\s+([\d]+)\s+", limitedQuery, re.I).groups()
quantityTopNums = topNums[0]
limitedQuery = limitedQuery.replace("TOP %s" % quantityTopNums, "TOP 1", 1)
startTopNums = topNums[1]
limitedQuery = limitedQuery.replace(" (SELECT TOP %s" % startTopNums, " (SELECT TOP %d" % num)
return limitedQuery

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@ -30,7 +30,7 @@ import sys
# sqlmap version and site
VERSION = "0.6.4-rc5"
VERSION = "0.6.4-rc6"
VERSION_STRING = "sqlmap/%s" % VERSION
SITE = "http://sqlmap.sourceforge.net"
@ -73,7 +73,7 @@ MATCH_RATIO = 0.9
SQL_STATEMENTS = {
"SQL SELECT statement": (
"select ",
"select top ",
" top ",
" from ",
" from dual",
" where ",

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@ -147,8 +147,9 @@ def __goInferenceProxy(expression, fromUser=False, expected=None):
# can return multiple entries
if fromUser and " FROM " in expression:
limitRegExp = re.search(queries[kb.dbms].limitregexp, expression, re.I)
topLimit = re.search("TOP\s+([\d]+)\s+", expression, re.I)
if limitRegExp:
if limitRegExp or ( kb.dbms == "Microsoft SQL Server" and topLimit ):
if kb.dbms in ( "MySQL", "PostgreSQL" ):
limitGroupStart = queries[kb.dbms].limitgroupstart
limitGroupStop = queries[kb.dbms].limitgroupstop
@ -160,6 +161,7 @@ def __goInferenceProxy(expression, fromUser=False, expected=None):
limitCond = int(stopLimit) > 1
elif kb.dbms == "Microsoft SQL Server":
if limitRegExp:
limitGroupStart = queries[kb.dbms].limitgroupstart
limitGroupStop = queries[kb.dbms].limitgroupstop
@ -168,6 +170,10 @@ def __goInferenceProxy(expression, fromUser=False, expected=None):
stopLimit = limitRegExp.group(int(limitGroupStop))
limitCond = int(stopLimit) > 1
elif topLimit:
startLimit = 0
stopLimit = int(topLimit.group(1))
limitCond = int(stopLimit) > 1
elif kb.dbms == "Oracle":
limitCond = False