36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From 4c0f6a6fe6c71009ab4a6b3716e70af021e04904 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
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Date: Sat, 2 Jul 2016 20:18:12 +0200
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Subject: [PATCH] Raise an error when STARTTLS fails
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CVE-2016-0772 python: smtplib StartTLS stripping attack
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rhbz#1303647: https://bugzilla.redhat.com/show_bug.cgi?id=1303647
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rhbz#1351680: https://bugzilla.redhat.com/show_bug.cgi?id=1351680
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Based on an upstream change by Benjamin Peterson <benjamin@python.org>
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- in changeset 101887:d590114c2394 3.4
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- https://hg.python.org/cpython/rev/d590114c2394
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---
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lib-python/3/smtplib.py | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/lib-python/3/smtplib.py b/lib-python/3/smtplib.py
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index 57f181b..5656cc6 100755
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--- a/lib-python/3/smtplib.py
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+++ b/lib-python/3/smtplib.py
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@@ -680,6 +680,11 @@ class SMTP:
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self.ehlo_resp = None
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self.esmtp_features = {}
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self.does_esmtp = 0
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+ else:
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+ # RFC 3207:
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+ # 501 Syntax error (no parameters allowed)
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+ # 454 TLS not available due to temporary reason
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+ raise SMTPResponseException(resp, reply)
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return (resp, reply)
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def sendmail(self, from_addr, to_addrs, msg, mail_options=[],
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--
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2.9.0
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