GitHub Advisoryadvisory · PyPI
GHSA-cw2r-4p82-qv79 DoS with algorithms that use PBKDF2 due to unbounded PBES2 Count value
MEDIUM
Official page ↗
- Aliases
- CVE-2023-6681
- Ecosystem
- PyPI
- Packages
- jwcrypto
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weaknesses
- CWE-400
- Reviewed
- 2023-12-28
Affected packages
• PyPI jwcrypto: < 1.5.1 → fixed in 1.5.1
Description
Impact
Denial of Service,
Applications that allow the use of the PBKDF2 algorithm.
Patches
A patch is available that sets the maximum number of default rounds.
Workarounds
Applications that do not need to use PBKDF2 should simply specify the algorithms use and exclude it from the list.
Applications that need to use the algorithm should upgrade to the new version that allows to set a maximum rounds number.
Acknowledgement
The issues was reported by Jingcheng Yang and Jianjun Chen from Sichuan University
and Zhongguancun Lab
Related
Alias · CVE (1)
- CVE-2023-6681 A vulnerability was found in JWCrypto. vulnerability
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://github.com/latchset/jwcrypto/security/advisories/GHSA-cw2r-4p82-qv79 web
- https://nvd.nist.gov/vuln/detail/CVE-2023-6681 advisory
- https://github.com/latchset/jwcrypto/commit/d2655d370586cb830e49acfb450f87598da60be8 web
- https://access.redhat.com/errata/RHSA-2024:3267 web
- https://access.redhat.com/errata/RHSA-2024:9281 web
- https://access.redhat.com/security/cve/CVE-2023-6681 web
- https://bugzilla.redhat.com/show_bug.cgi?id=2260843 web
- https://github.com/latchset/jwcrypto package
- https://github.com/pypa/advisory-database/tree/main/vulns/jwcrypto/PYSEC-2024-104.yaml web