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[3.5] bpo-34155: Dont parse domains containing @ (GH-13079) - #15317
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larryhastings merged 1 commit intoSep 7, 2019
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Before:
>>> email.message_from_string('From: a@malicious.org@important.com', policy=email.policy.default)['from'].addresses
(Address(display_name='', username='a', domain='malicious.org'),)
>>> parseaddr('a@malicious.org@important.com')
('', 'a@malicious.org')
After:
>>> email.message_from_string('From: a@malicious.org@important.com', policy=email.policy.default)['from'].addresses
(Address(display_name='', username='', domain=''),)
>>> parseaddr('a@malicious.org@important.com')
('', 'a@')
https://bugs.python.org/issue34155
(cherry picked from commit 8cb65d1)
Co-authored-by: jpic <jpic@users.noreply.github.com>
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This needs a review from the 3.5 RM if this is going to be backported. |
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vstinner
approved these changes
Aug 19, 2019
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@larryhastings: Would you mind to merge this security fix? |
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@larryhastings: Please replace # with GH- in the commit message next time. Thanks! |
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Thanks for the backport and the 3.5 love! |
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Before:
>>> email.message_from_string('From: a@malicious.org@important.com', policy=email.policy.default)['from'].addresses (Address(display_name='', username='a', domain='malicious.org'),) >>> parseaddr('a@malicious.org@important.com') ('', 'a@malicious.org') After: >>> email.message_from_string('From: a@malicious.org@important.com', policy=email.policy.default)['from'].addresses (Address(display_name='', username='', domain=''),) >>> parseaddr('a@malicious.org@important.com') ('', 'a@')https://bugs.python.org/issue34155
(cherry picked from commit 8cb65d1)
Co-authored-by: jpic jpic@users.noreply.github.com
https://bugs.python.org/issue34155