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Debian DSA-3979-1 Critical: PyJWT Insufficient Validation Threat

debian
Calendar Grey September 19, 2017
Debian Logo
An alert regarding a PyJWT security flaw that enables malicious entities to fabricate tokens. Ensure immediate upgrade for safeguarding.
It was discovered that PyJWT, a Python implementation of JSON Web Token performed insufficient validation of some public key types, which could allow a remote attacker to craft JWT...
Topics%20covered

Topics Covered

security advisory debian remote attack insufficient validation pyjwt

Summary

It was discovered that PyJWT, a Python implementation of JSON Web Token
performed insufficient validation of some public key types, which could
allow a remote attacker to craft JWTs from scratch.

For the oldstable distribution (jessie), this problem has been fixed
in version 0.2.1-1+deb8u2.

For the stable distribution (stretch), this problem has been fixed in
version 1.4.2-1+deb9u1.

We recommend that you upgrade your pyjwt packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
High
Critical

Package: pyjwt
CVE ID: CVE-2017-11424

Topics%20covered

Topics Covered

security advisory debian remote attack insufficient validation pyjwt

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