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Ubuntu Security Notice USN-4742-1
February 22, 2021
python-django vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
Django could allow unintended access to network services.
Software Description:
- 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:
python3-django 2:2.2.16-1ubuntu0.2
Ubuntu 20.04 LTS:
python3-django 2:2.2.12-1ubuntu0.4
Ubuntu 18.04 LTS:
python-django 1:1.11.11-1ubuntu1.11
python3-django 1:1.11.11-1ubuntu1.11
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4742-1
CVE-2021-23336
Package Information:
https://launchpad.net/ubuntu/+source/python-django/2:2.2.16-1ubuntu0.2
https://launchpad.net/ubuntu/+source/python-django/2:2.2.12-1ubuntu0.4
https://launchpad.net/ubuntu/+source/python-django/1:1.11.11-1ubuntu1.11
