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AUSCERT External Security Bulletin Redistribution
ESB-2021.3350
USN-5105-1: Bottle vulnerability
8 October 2021
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AusCERT Security Bulletin Summary
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Product: Bottle
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Provide Misleading Information -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-28473
Reference: ESB-2021.0579
ESB-2021.0270
Original Bulletin:
https://ubuntu.com/security/notices/USN-5105-1
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USN-5105-1: Bottle vulnerability
06 October 2021
Bottle could be made to cache malicious requests if it received a
specially crafted input.
Releases
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
o python-bottle - fast and simple WSGI-framework for Python - documentation
Details
It was discovered that Bottle incorrectly handled certain inputs.
An attacker could possibly use this issue to cache malicious requests.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o python3-bottle - 0.12.15-2.1ubuntu0.1
Ubuntu 18.04
o python3-bottle - 0.12.13-1ubuntu0.1
o python-bottle - 0.12.13-1ubuntu0.1
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-28473
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