CVE-2022-48566

medium

Description

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.

References

https://security.netapp.com/advisory/ntap-20231006-0013/

https://lists.debian.org/debian-lts-announce/2023/10/msg00017.html

https://lists.debian.org/debian-lts-announce/2023/09/msg00022.html

https://bugs.python.org/issue40791

Details

Source: Mitre, NVD

Published: 2023-08-22

Updated: 2023-10-13

Risk Information

CVSS v2

Base Score: 5.4

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N