cve-2022-29217
Vulnerability from cvelistv5
Published
2022-05-24 14:10
Modified
2024-08-19 07:48
Severity ?
7.4 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS score ?
0.31% (0.53114)
Summary
PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms. With JWT, an attacker submitting the JWT token can choose the used signing algorithm. The PyJWT library requires that the application chooses what algorithms are supported. The application can specify `jwt.algorithms.get_default_algorithms()` to get support for all algorithms, or specify a single algorithm. The issue is not that big as `algorithms=jwt.algorithms.get_default_algorithms()` has to be used. Users should upgrade to v2.4.0 to receive a patch for this issue. As a workaround, always be explicit with the algorithms that are accepted and expected when decoding.
References
security-advisories@github.comhttps://github.com/jpadilla/pyjwt/commit/9c528670c455b8d948aff95ed50e22940d1ad3fcPatch, Third Party Advisory
security-advisories@github.comhttps://github.com/jpadilla/pyjwt/releases/tag/2.4.0Release Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/jpadilla/pyjwt/security/advisories/GHSA-ffqj-6fqr-9h24Issue Tracking, Third Party Advisory
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5PK7IQCBVNLYJEFTPHBBPFP72H4WUFNX/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HIYEYZRQEP6QTHT3EHH3RGFYJIHIMAO/
af854a3a-2127-422b-91ae-364da2661108https://github.com/jpadilla/pyjwt/commit/9c528670c455b8d948aff95ed50e22940d1ad3fcPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/jpadilla/pyjwt/releases/tag/2.4.0Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/jpadilla/pyjwt/security/advisories/GHSA-ffqj-6fqr-9h24Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5PK7IQCBVNLYJEFTPHBBPFP72H4WUFNX/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HIYEYZRQEP6QTHT3EHH3RGFYJIHIMAO/
af854a3a-2127-422b-91ae-364da2661108https://www.vicarius.io/vsociety/posts/risky-algorithms-algorithm-confusion-in-pyjwt-cve-2022-29217
Impacted products
Vendor Product Version
jpadilla pyjwt Version: >= 1.5.0, < 2.4.0
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