Patch for known NCHAR/UNION-query SQLi problems

lib/core/agent.py

@@ -499,6 +499,9 @@ class Agent(object):
         if suffix:
             nulledCastedField += suffix
 
+        if not kb.nchar:
+            nulledCastedField = re.sub(r"( AS )N(CHAR|VARCHAR)", r"\g<1>\g<2>", nulledCastedField)
+
         return nulledCastedField
 
     def nullCastConcatFields(self, fields):

lib/core/option.py

@@ -2071,6 +2071,7 @@ def _setKnowledgeBaseAttributes(flushAll=True):
     kb.mergeCookies = None
     kb.multipleCtrlC = False
     kb.negativeLogic = False
+    kb.nchar = True
     kb.nullConnection = None
     kb.oldMsf = None
     kb.orderByColumns = None

lib/core/settings.py

@@ -18,7 +18,7 @@ from lib.core.enums import OS
 from thirdparty.six import unichr as _unichr
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.4.11.17"
+VERSION = "1.4.12.0"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)