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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2371
                           pyjwt security update
                             20 September 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           pyjwt
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   Debian GNU/Linux 9
                   Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Provide Misleading Information -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-11424  

Reference:         ESB-2017.2175

Original Bulletin: 
   http://www.debian.org/security/2017/dsa-3979

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Debian Security Advisory DSA-3979-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
September 19, 2017                    https://www.debian.org/security/faq
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Package        : pyjwt
CVE ID         : CVE-2017-11424

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/

Mailing list: debian-security-announce@lists.debian.org
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