Django: Access confidential data - Remote/unauthenticated

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                         ZMCIRT Vulnerability Bulletin

                             ZMC-2021.12.8.0800
                       Django: Access confidential data - Remote/unauthenticated
                               8th December 2021

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Product:           Django
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-44420  

Original Bulletin: 
   https://ubuntu.com/security/notices/USN-5178-1

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running Django check for an updated version of the software for 
         their operating system.

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USN-5178-1: Django vulnerability
07 December 2021

Django could be made to expose sensitive information.
Releases

  o Ubuntu 21.10
  o Ubuntu 21.04
  o Ubuntu 20.04 LTS

Packages

  o python-django - High-level Python web development framework

Details

Sjoerd Job Postmus and TengMA discovered that Django incorrectly handled
URLs with trailing newlines. A remote attacker could possibly use this
issue to bypass certain access controls.

Update instructions

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

Ubuntu 21.10

  o python3-django - 2:2.2.24-1ubuntu1.1

Ubuntu 21.04

  o python3-django - 2:2.2.20-1ubuntu0.3

Ubuntu 20.04

  o python3-django - 2:2.2.12-1ubuntu0.8

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

References

  o CVE-2021-44420

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