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30 lines
1.2 KiB
Python
30 lines
1.2 KiB
Python
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# Provenance: LinuxUser255/Vulnerable_Python_Apps do_GET (vuln).
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# repo: LinuxUser255/Vulnerable_Python_Apps
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# commit: 6336c77e6db523a5df34c4b628dff4159110797a
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# parent: 6336c77e6db523a5df34c4b628dff4159110797a
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# commit_url: https://github.com/LinuxUser255/Vulnerable_Python_Apps/blob/6336c77e6db523a5df34c4b628dff4159110797a/Directory_Traversal/Dir_Traversal.py#L22
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# cve:
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# license: GPL-3.0
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# function: do_GET
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# relpath: Directory_Traversal/Dir_Traversal.py
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# provenance: human
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# mechanism: path_join_user_input
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def do_GET(self): # no data type receive defined
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path = os.getcwd() # dir traversal and possible LFI
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pattern = r'/\.\.\/\.\.\/' # weak regex pattern
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if re.match(pattern, self.path): # escape characters needed
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self.send_response(404)
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return
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path += self.path
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if path.endswith('/'):
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path += 'index.html'
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print(path)
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if exists(path):
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self.send_response(200)
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self.send_header("Content-type", "text/html")
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self.end_headers()
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self.wfile.write(open(path).read().encode('utf-8')) # path is open no string mod
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else:
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self.send_response(404)
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