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fix: localise query replacements to url #5

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fix: localise query replacements to url #5

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8043a90
fix: localise query replacements to url
TrebledJ Feb 6, 2025
1a03d7f
fix: edge case where path is root `/` would replace the slash in `HTT…
TrebledJ Feb 13, 2025
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21 changes: 16 additions & 5 deletions 403Bypasser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -257,22 +257,33 @@ def tryBypassWithQueryPayload(self, request, payload, httpService):
requestPath = request.getUrl().getPath()
payloads = self.generatePayloads(requestPath, payload)

requestInfo = self.helpers.analyzeRequest(request)
headers = requestInfo.getHeaders()
firstline = headers[0]

originalRequest = self.helpers.bytesToString(request.getRequest())
for pathToTest in payloads:
headers[0] = firstline.replace(requestPath, pathToTest, 1)
headersAsJavaSublist = ArrayList()
for header in headers:
headersAsJavaSublist.add(String(header))

requestBody = originalRequest[requestInfo.getBodyOffset():]

newRequest = self.helpers.buildHttpMessage(headersAsJavaSublist, requestBody)
try:
newRequest = originalRequest.replace(requestPath, pathToTest)
newRequestResult = self.callbacks.makeHttpRequest(httpService, newRequest)
newRequestStatusCode = str(self.helpers.analyzeResponse(newRequestResult.getResponse()).getStatusCode())
except:
print("No response from server")
newRequestStatusCode = None
pass
continue

newRequestStatusCode = str(self.helpers.analyzeResponse(newRequestResult.getResponse()).getStatusCode())

if newRequestStatusCode == "200":
originalRequestUrl = str(request.getUrl())
vulnerableReuqestUrl = originalRequestUrl.replace(requestPath,pathToTest)
scheme, urlWithoutScheme = originalRequestUrl.split("://")
vulnerableReuqestUrl = scheme + "://" + urlWithoutScheme.replace(requestPath, pathToTest, 1)

responseHeaders = str(self.helpers.analyzeResponse(newRequestResult.getResponse()).getHeaders()).split(",")
resultContentLength = "No CL in response"
Expand Down Expand Up @@ -609,4 +620,4 @@ def getHttpMessages(self):
return self._httpMessages

def getHttpService(self):
return self._httpService
return self._httpService