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Ubuntu 23.04 USN-6159-1 Critical: python-tornado Redirect Threat

ubuntu
Calendar Grey June 13, 2023
Dist Ubuntu Esm H88
The Ubuntu Security Notice USN-6160-1 pertains to a severe security flaw in python-requests which permits unauthorized command execution.
Tornado could be made to redirect users to arbitrary web site if it opened a specially crafted URL.

Summary

Tornado could be made to redirect users to arbitrary web site if it opened a

specially crafted URL.

Software Description:

- 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.

Topics%20covered

Topics Covered

security advisory critical ubuntu redirect attack python tornado

Update Instructions

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

Ubuntu 23.04:
  python3-tornado                 6.2.0-3ubuntu0.1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  python-tornado                  4.2.1-1ubuntu3.1+esm1
  python3-tornado                 4.2.1-1ubuntu3.1+esm1

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

References

https://ubuntu.com/security/notices/USN-6159-1

CVE-2023-28370

Severity
critical
Lowest
Low
Medium
High
Critical

June 13, 2023

Topics%20covered

Topics Covered

security advisory critical ubuntu redirect attack python tornado

Package Information

https://launchpad.net/ubuntu/+source/python-tornado/6.2.0-3ubuntu0.1

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