CVE-2023-6681: DoS with algorithms that use PBKDF2 due to unbounded PBES2 Count value

CVE-2023-6681 · Severity: low · CVSS 3.1 · Published 2024-02-12

A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.

Technologies: jwcrypto (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2023-6681 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2023-6681 being exploited in the wild.
How severe is CVE-2023-6681?
Low severity, with a CVSS score of 3.1, published 12 February 2024.
Which products and versions are affected?
jwcrypto (PyPI) ECOSYSTEM:introduced=0,fixed=1.5.1.
Is there a fix for CVE-2023-6681?
Yes. jwcrypto (PyPI): upgrade to 1.5.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2023-6681?
Check whether you run jwcrypto (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • jwcrypto (PyPI): upgrade to 1.5.1 or later
    pip install "jwcrypto>=1.5.1"

Affected products

  • jwcrypto (PyPI) ECOSYSTEM:introduced=0,fixed=1.5.1

Identifiers

  • CVE-2023-6681
  • GHSA-cw2r-4p82-qv79
  • PYSEC-2024-104

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