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:
Doc Type: If docs needed, set a value
Doc Text:
A constant-time-defeating optimization issue was found in python. This issue occurs when sending a specially crafted request, which could allow an attacker to obtain sensitive information.
Clone Of:
Environment:
Last Closed:
Embargoed:


Attachments (Terms of Use)

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 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]


Note You need to log in before you can comment on or make changes to this bug.