[Python-checkins] cpython (3.4): Issue #22638: SSLv3 is now disabled throughout the standard library.

[antoine.pitrou]

https://hg.python.org/cpython/rev/653dfb1240d5
changeset:   93544:653dfb1240d5
branch:      3.4
parent:      93537:7d1bd8eed59e
user:        Antoine Pitrou <solipsis at pitrou.net>
date:        Fri Oct 17 19:28:30 2014 +0200
summary:
  Issue #22638: SSLv3 is now disabled throughout the standard library.
It can still be enabled by instantiating a SSLContext manually.

files:
  Lib/ssl.py |  3 +++
  Misc/NEWS  |  3 +++
  2 files changed, 6 insertions(+), 0 deletions(-)


diff --git a/Lib/ssl.py b/Lib/ssl.py
--- a/Lib/ssl.py
+++ b/Lib/ssl.py
@@ -458,6 +458,9 @@
     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 --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -36,6 +36,9 @@
 Library
 -------
 
+- Issue #22638: SSLv3 is now disabled throughout the standard library.
+  It can still be enabled by instantiating a SSLContext manually.
+
 - Issue #22370: Windows detection in pathlib is now more robust.
 
 - Issue #22841: Reject coroutines in asyncio add_signal_handler().

-- 
Repository URL: https://hg.python.org/cpython