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AUSCERT External Security Bulletin Redistribution
ESB-2021.0666
USN-4742-1: Django vulnerability
23 February 2021
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AusCERT Security Bulletin Summary
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Product: python-django
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Provide Misleading Information -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-23336
Reference: ESB-2021.0650
Original Bulletin:
https://ubuntu.com/security/notices/USN-4742-1
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USN-4742-1: Django vulnerability
22 February 2021
Django could allow unintended access to network services.
Releases
o Ubuntu 20.10
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
o python-django - High-level Python web development framework
Details
It was discovered that Django incorrectly accepted semicolons as query
parameters. A remote attacker could possibly use this issue to perform a
Web Cache Poisoning attack.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.10
o python3-django - 2:2.2.16-1ubuntu0.2
Ubuntu 20.04
o python3-django - 2:2.2.12-1ubuntu0.4
Ubuntu 18.04
o python-django - 1:1.11.11-1ubuntu1.11
o python3-django - 1:1.11.11-1ubuntu1.11
In general, a standard system update will make all the necessary changes.
References
o CVE-2021-23336
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