CVE-2022-39227

Advisory

Python-jwt 3.3.4 includes a fix for CVE-2022-39227: Versions prior to 3.3.4 are subject to Authentication Bypass by Spoofing, resulting in identity spoofing, session hijacking or authentication bypass. An attacker who obtains a JWT can arbitrarily forge its contents without knowing the secret key. Depending on the application, this may for example enable the attacker to spoof other user's identities, hijack their sessions, or bypass authentication. There are no known workarounds.

Affected package

Affected versions

Fixed versions

Vulnerability changelog

python-jwt is a module for generating and verifying JSON Web Tokens. Versions prior to 3.3.4 are subject to Authentication Bypass by Spoofing, resulting in identity spoofing, session hijacking or authentication bypass. An attacker who obtains a JWT can arbitrarily forge its contents without knowing the secret key. Depending on the application, this may for example enable the attacker to spoof other user's identities, hijack their sessions, or bypass authentication. Users should upgrade to version 3.3.4. There are no known workarounds. See CVE-2022-39227.


CONFIRM:https://github.com/davedoesdev/python-jwt/security/advisories/GHSA-5p8v-58qm-c7fp: https://github.com/davedoesdev/python-jwt/security/advisories/GHSA-5p8v-58qm-c7fp
MISC:https://github.com/davedoesdev/python-jwt/commit/88ad9e67c53aa5f7c43ec4aa52ed34b7930068c9: https://github.com/davedoesdev/python-jwt/commit/88ad9e67c53aa5f7c43ec4aa52ed34b7930068c9
MISC:https://github.com/pypa/advisory-database/blob/main/vulns/python-jwt/PYSEC-2022-259.yaml: https://github.com/pypa/advisory-database/blob/main/vulns/python-jwt/PYSEC-2022-259.yaml

Resources

• https://github.com/davedoesdev/python-jwt/security/advisories/GHSA-5p8v-58qm-c7fp
• https://github.com/davedoesdev/python-jwt/commit/88ad9e67c53aa5f7c43ec4aa52ed34b7930068c9
• https://github.com/pypa/advisory-database/blob/main/vulns/python-jwt/PYSEC-2022-259.yaml
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-39227