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gh-103204:http.server - Enforce that HTTP version numbers must consist only of digits#103205

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Merged
gpshead merged 10 commits intopython:mainfromkenballus:restrict-http-version-number-parsing
May 12, 2023
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Also constrain the length of the http version.
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@gpshead
gpshead authoredMay 12, 2023
commit6b9b20db1d1240993213bb97e17c6aa23f0acf44
4 changes: 3 additions & 1 deletionLib/http/server.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -301,7 +301,9 @@ def parse_request(self):
if len(version_number) != 2:
raise ValueError
if any(not component.isdigit() for component in version_number):
raise ValueError
raise ValueError("non digit in http version")
if any(len(component) > 10 for component in version_number):
raise ValueError("unreasonable length http version")
version_number = int(version_number[0]), int(version_number[1])
except (ValueError, IndexError):
self.send_error(
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