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Major bug fix to properly prepare UNION technique statement for --os-pwn and --is-dba

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This commit is contained in:
Bernardo Damele 2011-02-21 16:00:56 +00:00
parent 90582ed7dc
commit 3e8c204121
5 changed files with 11 additions and 8 deletions
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9
lib/core/agent.py
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@ -328,7 +328,7 @@ class Agent:
if not Backend.getDbms():
return fields
if fields.startswith("(CASE"):
if fields.startswith("(CASE") or fields.startswith("SUBSTR"):
nulledCastedConcatFields = fields
else:
fields = fields.replace(", ", ",")
@ -368,9 +368,12 @@ class Agent:
fieldsSelectFrom = re.search("\ASELECT%s\s+(.+?)\s+FROM\s+" % prefixRegex, query, re.I)
fieldsExists = re.search("EXISTS(.*)", query, re.I)
fieldsSelect = re.search("\ASELECT%s\s+(.*)" % prefixRegex, query, re.I)
fieldsSubstr = re.search("\ASUBSTR", query, re.I)
fieldsNoSelect = query
if fieldsExists:
if fieldsSubstr:
fieldsToCastStr = query
elif fieldsExists:
fieldsToCastStr = fieldsSelect.groups()[0]
elif fieldsSelectTop:
fieldsToCastStr = fieldsSelectTop.groups()[0]
@ -386,7 +389,7 @@ class Agent:
fieldsToCastStr = fieldsNoSelect
# Function
if re.search("\A\w+\(.*\)", fieldsToCastStr, re.I) or fieldsSelectCase:
if re.search("\A\w+\(.*\)", fieldsToCastStr, re.I) or fieldsSelectCase or fieldsSubstr:
fieldsToCastList = [fieldsToCastStr]
else:
fieldsToCastList = fieldsToCastStr.replace(", ", ",")

4
lib/takeover/udf.py
View file

@ -51,8 +51,8 @@ class UDF:
def __checkExistUdf(self, udf):
logger.info("checking if UDF '%s' already exist" % udf)
query = agent.forgeCaseStatement(queries[Backend.getIdentifiedDbms()].check_udf.query % (udf, udf))
exists = inject.getValue(query, resumeValue=False, unpack=False, charsetType=2)
query = agent.forgeCaseStatement(queries[Backend.getIdentifiedDbms()].check_udf.query % (udf, udf))
exists = inject.getValue(query, resumeValue=False, charsetType=2)
if exists == "1":
return True