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Ubuntu 23.04: USN-6548-1 critical: python3.11 filename bypass

ubuntu
Calendar Grey December 11, 2023
Dist Ubuntu Esm H88
An identified vulnerability in Python on Ubuntu allows circumvention of essential security measures through altered file names. Immediate action is necessary.
Python could be made to bypass security measures if it processed a malicious filename.

Summary

Python could be made to bypass security measures if it processed a

malicious filename.

Software Description:

- python3.11: An interactive high-level object-oriented language

Details:

it was discovered that Python incorrectly handled null bytes when

normalizing pathnames. An attacker could possibly use this issue to bypass

certain filename checks.

Topics%20covered

Topics Covered

security advisory threat ubuntu python risk filename check

Update Instructions

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

Ubuntu 23.04:
   python3.11                      3.11.4-1~23.04.2

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

References

https://ubuntu.com/security/notices/USN-6547-1

CVE-2023-41105

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6547-1

Topics%20covered

Topics Covered

security advisory threat ubuntu python risk filename check

Package Information

https://launchpad.net/ubuntu/+source/python3.11/3.11.4-1~23.04.2

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