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Vulnerability Details : CVE-2022-29217

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.
Publish Date : 2022-05-24 Last Update Date : 2022-06-07
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 327

- Products Affected By CVE-2022-29217

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 35 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 36 * * * Version Details Vulnerabilities
3 Application Pyjwt Project Pyjwt * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 2
Pyjwt Project Pyjwt 1

- References For CVE-2022-29217

https://lists.fedoraproject.org/archives/list/[email protected]/message/5PK7IQCBVNLYJEFTPHBBPFP72H4WUFNX/
FEDORA FEDORA-2022-4ae9110f51
https://lists.fedoraproject.org/archives/list/[email protected]/message/6HIYEYZRQEP6QTHT3EHH3RGFYJIHIMAO/
FEDORA FEDORA-2022-3cf456dc20
https://github.com/jpadilla/pyjwt/releases/tag/2.4.0
https://github.com/jpadilla/pyjwt/commit/9c528670c455b8d948aff95ed50e22940d1ad3fc
https://github.com/jpadilla/pyjwt/security/advisories/GHSA-ffqj-6fqr-9h24 CONFIRM

- Metasploit Modules Related To CVE-2022-29217

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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