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-rw-r--r--Lib/http/server.py4
-rw-r--r--Lib/test/test_httpservers.py21
2 files changed, 25 insertions, 0 deletions
diff --git a/Lib/http/server.py b/Lib/http/server.py
index a245ffb..ca6240d 100644
--- a/Lib/http/server.py
+++ b/Lib/http/server.py
@@ -300,6 +300,10 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
# - Leading zeros MUST be ignored by recipients.
if len(version_number) != 2:
raise ValueError
+ if any(not component.isdigit() for component in version_number):
+ 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(
diff --git a/Lib/test/test_httpservers.py b/Lib/test/test_httpservers.py
index 0382b5e..cdd1bea 100644
--- a/Lib/test/test_httpservers.py
+++ b/Lib/test/test_httpservers.py
@@ -164,6 +164,27 @@ class BaseHTTPServerTestCase(BaseTestCase):
res = self.con.getresponse()
self.assertEqual(res.status, HTTPStatus.BAD_REQUEST)
+ def test_version_signs_and_underscores(self):
+ self.con._http_vsn_str = 'HTTP/-9_9_9.+9_9_9'
+ self.con.putrequest('GET', '/')
+ self.con.endheaders()
+ res = self.con.getresponse()
+ self.assertEqual(res.status, HTTPStatus.BAD_REQUEST)
+
+ def test_major_version_number_too_long(self):
+ self.con._http_vsn_str = 'HTTP/909876543210.0'
+ self.con.putrequest('GET', '/')
+ self.con.endheaders()
+ res = self.con.getresponse()
+ self.assertEqual(res.status, HTTPStatus.BAD_REQUEST)
+
+ def test_minor_version_number_too_long(self):
+ self.con._http_vsn_str = 'HTTP/1.909876543210'
+ self.con.putrequest('GET', '/')
+ self.con.endheaders()
+ res = self.con.getresponse()
+ self.assertEqual(res.status, HTTPStatus.BAD_REQUEST)
+
def test_version_none_get(self):
self.con._http_vsn_str = ''
self.con.putrequest('GET', '/')