CVE-2022-48566: An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1

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.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack vector

Network

Complexity

High

Privileges

None

User interaction

None

Confidentiality

High

Integrity

None

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.3% · higher than 70% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

AI

Active IQ Unified Manager · Netapp

All versions, or not specified · source: NVD

CS

Converged Systems Advisor Agent · Netapp

All versions, or not specified · source: NVD

DL

Debian Linux · Debian

10.0 · source: NVD

PY

Python · Python

before 3.6.13; 3.7.0 before 3.7.10; 3.8.0 before 3.8.7; 3.9.0 before 3.9.1 · source: NVD