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AUSCERT External Security Bulletin Redistribution
ESB-2021.1153
USN-4902-1: Django vulnerability
7 April 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Django
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Create Arbitrary Files -- Remote/Unauthenticated
Overwrite Arbitrary Files -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-28658
Original Bulletin:
https://ubuntu.com/security/notices/USN-4902-1
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-4902-1: Django vulnerability
06 April 2021
Django could be made to overwrite files.
Releases
o Ubuntu 20.10
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Packages
o python-django - High-level Python web development framework
Details
Dennis Brinkrolf discovered that Django incorrectly handled certain
filenames. A remote attacker could possibly use this issue to create or
overwrite files in unexpected directories.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.10
o python3-django - 2:2.2.16-1ubuntu0.3
Ubuntu 20.04
o python3-django - 2:2.2.12-1ubuntu0.5
Ubuntu 18.04
o python3-django - 1:1.11.11-1ubuntu1.12
o python-django - 1:1.11.11-1ubuntu1.12
Ubuntu 16.04
o python3-django - 1.8.7-1ubuntu5.15
o python-django - 1.8.7-1ubuntu5.15
In general, a standard system update will make all the necessary changes.
References
o CVE-2021-28658
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