All the vulnerabilites related to jpadilla - pyjwt
cve-2022-29217
Vulnerability from cvelistv5
Published
2022-05-24 14:10
Modified
2024-08-19 07:48
Severity ?
EPSS score ?
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
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/jpadilla/pyjwt/security/advisories/GHSA-ffqj-6fqr-9h24 | x_refsource_CONFIRM | |
| https://github.com/jpadilla/pyjwt/commit/9c528670c455b8d948aff95ed50e22940d1ad3fc | x_refsource_MISC | |
| https://github.com/jpadilla/pyjwt/releases/tag/2.4.0 | x_refsource_MISC | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HIYEYZRQEP6QTHT3EHH3RGFYJIHIMAO/ | vendor-advisory, x_refsource_FEDORA | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5PK7IQCBVNLYJEFTPHBBPFP72H4WUFNX/ | vendor-advisory, x_refsource_FEDORA |
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cve-2024-53861
Vulnerability from cvelistv5
Published
2024-11-29 18:43
Modified
2024-12-02 18:10
Severity ?
EPSS score ?
Summary
pyjwt is a JSON Web Token implementation in Python. An incorrect string comparison is run for `iss` checking, resulting in `"acb"` being accepted for `"_abc_"`. This is a bug introduced in version 2.10.0: checking the "iss" claim changed from `isinstance(issuer, list)` to `isinstance(issuer, Sequence)`. Since str is a Sequnce, but not a list, `in` is also used for string comparison. This results in `if "abc" not in "__abcd__":` being checked instead of `if "abc" != "__abc__":`. Signature checks are still present so real world impact is likely limited to denial of service scenarios. This issue has been patched in version 2.10.1. All users are advised to upgrade. There are no known workarounds for this vulnerability.
References
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