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             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.4704
                    USN-5632-1: OAuthLib vulnerability
                             23 September 2022

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

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

Product:           OAuthLib
Publisher:         Ubuntu
Operating System:  Ubuntu
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-36087  

Original Bulletin: 
   https://ubuntu.com/security/notices/USN-5632-1

Comment: CVSS (Max):  6.5 CVE-2022-36087 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
         CVSS Source: Red Hat
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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USN-5632-1: OAuthLib vulnerability
22 September 2022

OAuthLib could be made to crash if it received specially crafted network
traffic.
Releases

  o Ubuntu 22.04 LTS

Packages

  o python-oauthlib - generic, spec-compliant implementation of OAuth for
    Python3

Details

Sebastian Chnelik discovered that OAuthLib incorrectly handled certain
redirect uris. A remote attacker could possibly use this issue to cause
OAuthLib to crash, resulting in a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package
versions:

Ubuntu 22.04

  o python3-oauthlib - 3.2.0-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

References

  o CVE-2022-36087

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