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CVE-2022-48566

Published: 22 August 2023

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.

Priority

Medium

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
python
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Ignored
(end of standard support)
bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

python2.7
Launchpad, Ubuntu, Debian
trusty Needs triage

focal Needs triage

jammy Needs triage

bionic
Released (2.7.17-1~18.04ubuntu1.13+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
xenial
Released (2.7.12-1ubuntu0~16.04.18+esm7)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
lunar Does not exist

upstream Needs triage

mantic Does not exist

python3.4
Launchpad, Ubuntu, Debian
trusty Needs triage

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

python3.5
Launchpad, Ubuntu, Debian
trusty Needs triage

bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

upstream Needs triage

xenial
Released (3.5.2-2ubuntu0~16.04.13+esm11)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
mantic Does not exist

python3.6
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

jammy Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

python3.7
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (3.7.10)
python3.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

jammy Does not exist

lunar Does not exist

mantic Does not exist

focal
Released (3.8.10-0ubuntu1~20.04)
upstream
Released (3.8.7)
python3.9
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

focal Not vulnerable
(3.9.5-3ubuntu0~20.04.1)
upstream
Released (3.9.1)
python3.10
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

lunar Does not exist

mantic Does not exist

jammy Not vulnerable

upstream Not vulnerable

python3.11
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Not vulnerable

mantic Not vulnerable

upstream Not vulnerable

python3.12
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Not vulnerable

upstream Not vulnerable

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N