CVE-2022-48566

Aliases:CVE-2023-38898BIT-libpython-2022-48566BIT-python-2022-48566BIT-python-2023-38898BIT-python-min-2022-48566GHSA-cgfh-jp5w-8cmxPSF-2023-6PSF-2023-7DEBIAN-CVE-2022-48566CGA-42mj-mjwh-qj3wCGA-hc23-47j9-2w87CGA-hf4m-hg6h-pmfrCGA-2f92-hvcx-j7w7CGA-6gmf-j5qr-68f6CGA-x7xc-rrxr-q7f3UBUNTU-CVE-2022-48566
Advisory lineage Upstream: 0 Downstream: 14
Modified
Published: 22 Aug 2023, 00:00
Last modified:03 Oct 2024, 14:08

Vulnerability Summary

Overall Risk (default)
medium
34/100
CVSS Score
5.9 MEDIUM
v3.1 (nvd)
EPSS Score
1.3% LOW
1% probability +1.20%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected

Timeline

22 Aug 2023, 00:00
Published
Vulnerability first disclosed
03 Oct 2024, 14:08
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•MEDIUM•Score: 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  • v3.1•MEDIUM•Score: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Trends

Current EPSS score: 1.30%• Percentile: 69%

Techniques & Countermeasures

  • CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

    The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Affected Systems

  • chainguard•python-3.10

    < 0

  • chainguard•python-3.11

    < 0

  • chainguard•python-3.9

    < 0

  • wolfi•python-3.10

    < 0

  • wolfi•python-3.11

    < 0

  • debian•pypy3

    < 7.3.5+dfsg-2 | < 7.3.5+dfsg-2 | < 7.3.5+dfsg-2 | < 7.3.5+dfsg-2

  • debian•python2.7

    < 2.7.18-8+deb11u1

  • debian•python3.12

    < 3.12.0~b4-1

  • debian•python3.9

    < 3.9.1~rc1-1

  • ubuntu•python2.7

    all | < 2.7.12-1ubuntu0~16.04.18+esm7 | < 2.7.17-1~18.04ubuntu1.13+esm2 | < 2.7.18-1~20.04.7 | < 2.7.18-13ubuntu1.5

  • ubuntu•python3.4

    all

  • ubuntu•python3.5

    < 3.5.2-2ubuntu0~16.04.4~14.04.1+esm1 | < 3.5.2-2ubuntu0~16.04.13+esm11

  • ubuntu•python3.6

    < 3.6.9-1~18.04ubuntu1.13+esm2

  • ubuntu•python3.7

    < 3.7.5-2ubuntu1~18.04.2+esm3

  • ubuntu•python3.8

    < 3.8.0-3ubuntu1~18.04.2+esm2 | < 3.8.10-0ubuntu1~20.04

  • debian•debian_linux

    10.0

  • netapp•active_iq_unified_manager

    na

  • netapp•converged_systems_advisor_agent

    na

  • python•python

    3.13.0:alpha0 | < 3.6.13 | ≥ 3.7.0, < 3.7.10 | ≥ 3.8.0, < 3.8.7 | ≥ 3.9.0, < 3.9.1

References (14)