changeset:   93107:e971f3c57502
parent:      93102:bcc3f167a30b
user:        Antoine Pitrou <solipsis@pitrou.net>
date:        Fri Oct 17 19:28:30 2014 +0200
files:       Lib/ssl.py Misc/NEWS
description:
Issue #22638: SSLv3 is now disabled throughout the standard library.
It can still be enabled by instantiating a SSLContext manually.


diff -r bcc3f167a30b -r e971f3c57502 Lib/ssl.py
--- a/Lib/ssl.py	Fri Oct 17 08:52:20 2014 +0100
+++ b/Lib/ssl.py	Fri Oct 17 19:28:30 2014 +0200
@@ -454,6 +454,9 @@
     context = SSLContext(protocol)
     # SSLv2 considered harmful.
     context.options |= OP_NO_SSLv2
+    # SSLv3 has problematic security and is only required for really old
+    # clients such as IE6 on Windows XP
+    context.options |= OP_NO_SSLv3
 
     if cert_reqs is not None:
         context.verify_mode = cert_reqs
diff -r bcc3f167a30b -r e971f3c57502 Misc/NEWS
--- a/Misc/NEWS	Fri Oct 17 08:52:20 2014 +0100
+++ b/Misc/NEWS	Fri Oct 17 19:28:30 2014 +0200
@@ -178,6 +178,9 @@
 Library
 -------
 
+- Issue #22638: SSLv3 is now disabled throughout the standard library.
+  It can still be enabled by instantiating a SSLContext manually.
+
 - Issue #22641: In asyncio, the default SSL context for client connections
   is now created using ssl.create_default_context(), for stronger security.