1. Ubuntu Security Notices
  2. USN-6159-1

USN-6159-1: Tornado vulnerability

Publication date

13 June 2023

Overview

Tornado could be made to redirect users to arbitrary web site if it opened a specially crafted URL.

Releases

Packages

  • python-tornado - scalable, non-blocking web server and tools - documentation

Details

It was discovered that Tornado incorrectly handled certain redirect.
An remote attacker could possibly use this issue to redirect a user to an
arbitrary web site and conduct a phishing attack by having user access a
specially crafted URL.

It was discovered that Tornado incorrectly handled certain redirect.
An remote attacker could possibly use this issue to redirect a user to an
arbitrary web site and conduct a phishing attack by having user access a
specially crafted URL.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
23.04 lunar python3-tornado –  6.2.0-3ubuntu0.1
16.04 xenial python-tornado –  4.2.1-1ubuntu3.1+esm1  
python3-tornado –  4.2.1-1ubuntu3.1+esm1  

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References

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