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Bug fix (backslash escaping of JSON string values)

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This commit is contained in:
Miroslav Stampar 2019-10-15 01:04:45 +02:00
parent 19925b806b
commit 1a5ed610ce
1 changed files with 7 additions and 3 deletions
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10
lib/core/agent.py
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@ -176,12 +176,16 @@ class Agent(object):
if place in (PLACE.URI, PLACE.CUSTOM_POST, PLACE.CUSTOM_HEADER): if place in (PLACE.URI, PLACE.CUSTOM_POST, PLACE.CUSTOM_HEADER):
_ = "%s%s" % (origValue, kb.customInjectionMark) _ = "%s%s" % (origValue, kb.customInjectionMark)
if kb.postHint == POST_HINT.JSON and not isNumber(newValue) and '"%s"' % _ not in paramString: if kb.postHint == POST_HINT.JSON and not isNumber(newValue) and '"%s"' % _ not in paramString:
newValue = '"%s"' % newValue newValue = '"%s"' % self.addPayloadDelimiters(newValue)
elif kb.postHint == POST_HINT.JSON_LIKE and not isNumber(newValue) and "'%s'" % _ not in paramString: elif kb.postHint == POST_HINT.JSON_LIKE and not isNumber(newValue) and "'%s'" % _ not in paramString:
newValue = "'%s'" % newValue newValue = "'%s'" % self.addPayloadDelimiters(newValue)
else:
newValue = self.addPayloadDelimiters(newValue)
newValue = newValue.replace(kb.customInjectionMark, REPLACEMENT_MARKER) newValue = newValue.replace(kb.customInjectionMark, REPLACEMENT_MARKER)
retVal = paramString.replace(_, self.addPayloadDelimiters(newValue)) retVal = paramString.replace(_, newValue)
retVal = retVal.replace(kb.customInjectionMark, "").replace(REPLACEMENT_MARKER, kb.customInjectionMark) retVal = retVal.replace(kb.customInjectionMark, "").replace(REPLACEMENT_MARKER, kb.customInjectionMark)
elif BOUNDED_INJECTION_MARKER in paramDict[parameter]: elif BOUNDED_INJECTION_MARKER in paramDict[parameter]:
retVal = paramString.replace("%s%s" % (origValue, BOUNDED_INJECTION_MARKER), self.addPayloadDelimiters(newValue)) retVal = paramString.replace("%s%s" % (origValue, BOUNDED_INJECTION_MARKER), self.addPayloadDelimiters(newValue))