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[3.9] gh-98517: Fix buffer overflows in _sha3 module (GH-98519) #98526

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merged 1 commit into from Oct 28, 2022
Merged

[3.9] gh-98517: Fix buffer overflows in _sha3 module (GH-98519) #98526

merged 1 commit into from Oct 28, 2022

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@miss-islington miss-islington commented Oct 21, 2022 •
edited by bedevere-bot

This is a port of the applicable part of XKCP's fix 1 for
CVE-2022-37454 and avoids the segmentation fault and the infinite
loop in the test cases published in 2.

Regression test added by: Gregory P. Smith [Google LLC] greg@krypto.org
(cherry picked from commit 0e4e058)

Co-authored-by: Theo Buehler botovq@users.noreply.github.com

@botovq @miss-islington
[3.10] pythongh-98517: Fix buffer overflows in _sha3 module (pythonGH…
915bdf4 
…-98519)

This is a port of the applicable part of XKCP's fix [1] for
CVE-2022-37454 and avoids the segmentation fault and the infinite
loop in the test cases published in [2].

[1]: XKCP/XKCP@fdc6fef
[2]: https://mouha.be/sha-3-buffer-overflow/

Regression test added by: Gregory P. Smith [Google LLC] <greg@krypto.org>
(cherry picked from commit 0e4e058)

Co-authored-by: Theo Buehler <botovq@users.noreply.github.com>
@miss-islington miss-islington requested a review from tiran as a code owner Oct 21, 2022
@bedevere-bot bedevere-bot mentioned this pull request Oct 21, 2022
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@bedevere-bot bedevere-bot added type-crash A hard crash of the interpreter, possibly with a core dump type-security A security issue labels Oct 21, 2022
@gpshead gpshead changed the title [3.9] [3.10] gh-98517: Fix buffer overflows in _sha3 module (GH-98519) [3.9] gh-98517: Fix buffer overflows in _sha3 module (GH-98519) Oct 21, 2022
@gpshead gpshead added the 3.9 label Oct 21, 2022
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miss-islington commented Oct 21, 2022

Sorry, I can't merge this PR. Reason: You're not authorized to push to this branch. Visit https://docs.github.com/articles/about-protected-branches/ for more information..

@ambv ambv merged commit 857efee into python:3.9 Oct 28, 2022
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@miss-islington miss-islington deleted the backport-0e4e058-3.9 branch Oct 28, 2022
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