minor update

lib/techniques/union/use.py

@@ -24,6 +24,7 @@ from lib.core.common import hashDBRetrieve
 from lib.core.common import hashDBWrite
 from lib.core.common import incrementCounter
 from lib.core.common import initTechnique
+from lib.core.common import isNoneValue
 from lib.core.common import isNumPosStrValue
 from lib.core.common import listToStrValue
 from lib.core.common import parseUnionPage
@@ -302,8 +303,9 @@ def unionUse(expression, unpack=True, dump=False):
 
                         if output:
                             if all(map(lambda x: x in output, [kb.chars.start, kb.chars.stop])):
-                                #items = extractRegexResult(r'%s(?P<result>.*?)%s' % (kb.chars.start, kb.chars.stop), output, re.DOTALL | re.IGNORECASE).split(kb.chars.delimiter)
                                 items = parseUnionPage(output)
+                                if isNoneValue(items):
+                                    continue
                                 items = items[0] if isinstance(items, list) and len(items) == 1 else items
                                 kb.locks.value.acquire()
                                 threadData.shared.value.append(items[0] if len(items) == 1 else items)