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Ubuntu 16.04 ESM USN-5629-1 Critical: Python Server Traffic Redirect

ubuntu
Calendar Grey September 22, 2022
Dist Ubuntu Esm H88
The Ubuntu Security Notice USN-5630-1 underscores a python3.8 flaw that could result in unintentional data exposure.
Python could be made to redirect web traffic if its http.server received a specially crafted request.

Summary

Python could be made to redirect web traffic if its http.server

received a specially crafted request.

Software Description:

- python3.5: An interactive high-level object-oriented language

Details:

It was discovered that the Python http.server module incorrectly handled

certain URIs. An attacker could potentially use this to redirect web

traffic.

Topics%20covered

Topics Covered

security advisory critical ubuntu network attack web traffic http server python redirect

Update Instructions

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

Ubuntu 16.04 ESM:
   libpython3.5                         3.5.2-2ubuntu0~16.04.13+esm5
   libpython3.5-minimal            3.5.2-2ubuntu0~16.04.13+esm5
   libpython3.5-stdlib                3.5.2-2ubuntu0~16.04.13+esm5
   python3.5                             3.5.2-2ubuntu0~16.04.13+esm5
   python3.5-minimal                3.5.2-2ubuntu0~16.04.13+esm5

After a standard system update you need to restart the python3 
http.server to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5629-1

CVE-2021-28861

Severity
critical
Lowest
Low
Medium
High
Critical

September 22, 2022

Topics%20covered

Topics Covered

security advisory critical ubuntu network attack web traffic http server python redirect

Package Information

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