Timing Attack Affecting python package, versions [,3.7.10)[3.8.0-a1,3.8.7-rc1)[3.9.0-a1,3.9.1-rc1)[3.10.0-a1,3.10.0-a3)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.06% (20th percentile)

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  • Snyk IDSNYK-UNMANAGED-PYTHON-5876625
  • published31 Aug 2023
  • disclosed22 Aug 2023
  • creditUnknown

Introduced: 22 Aug 2023

CVE-2022-48566  (opens in a new tab)
CWE-208  (opens in a new tab)

How to fix?

Upgrade python to version 3.7.10, 3.8.7-rc1, 3.9.1-rc1, 3.10.0-a3 or higher.

Overview

Affected versions of this package are vulnerable to Timing Attack due to the improper handling of compare_digest. An attacker can introduce timing discrepancies by exploiting the accumulator variable in hmac.compare_digest.

CVSS Base Scores

version 3.1