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USN-6159-1: Tornado vulnerability

13 June 2023

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

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 23.04
Ubuntu 16.04

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

References

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Further reading