Bug 2238753 (CVE-2022-48566) - CVE-2022-48566 python: constant-time-defeating optimisations issue in the compare_digest function in Lib/hmac.p
Summary: CVE-2022-48566 python: constant-time-defeating optimisations issue in the com...
Keywords:
Status: NEW
Alias: CVE-2022-48566
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2238756 2238757 2238758 2238759 2238760 2238761
Blocks: 2238762
TreeView+ depends on / blocked
 
Reported: 2023-09-13 13:30 UTC by msiddiqu
Modified: 2023-12-20 11:25 UTC (History)
3 users (show)

Fixed In Version:
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Description msiddiqu 2023-09-13 13:30:37 UTC 
An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.
Comment 1 msiddiqu 2023-09-13 13:46:31 UTC 
References: 
 
https://github.com/python/cpython/issues/84968
https://bugs.python.org/issue40791
Comment 2 msiddiqu 2023-09-13 13:59:07 UTC 
Created python3.10 tracking bugs for this issue:

Affects: fedora-all [bug 2238756]


Created python3.6 tracking bugs for this issue:

Affects: fedora-all [bug 2238757]


Created python3.7 tracking bugs for this issue:

Affects: fedora-all [bug 2238758]


Created python3.8 tracking bugs for this issue:

Affects: fedora-all [bug 2238759]


Created python3.9 tracking bugs for this issue:

Affects: fedora-all [bug 2238760]
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