Ubuntu Security Notice 6928-1 - It was discovered that the Python ssl module contained a memory race condition when handling the APIs to obtain the CA certificates and certificate store statistics. This could possibly result in applications obtaining wrong results, leading to various SSL issues. It was discovered that the Python ipaddress module contained incorrect information about which IP address ranges were considered "private" or "globally reachable". This could possibly result in applications applying incorrect security policies.
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Ubuntu Security Notice USN-6928-1
July 30, 2024
python3.10, python3.8 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in Python.
Software Description:
- python3.10: An interactive high-level object-oriented language
- python3.8: An interactive high-level object-oriented language
Details:
It was discovered that the Python ssl module contained a memory race
condition when handling the APIs to obtain the CA certificates and
certificate store statistics. This could possibly result in applications
obtaining wrong results, leading to various SSL issues. (CVE-2024-0397)
It was discovered that the Python ipaddress module contained incorrect
information about which IP address ranges were considered "private" or
"globally reachable". This could possibly result in applications applying
incorrect security policies. (CVE-2024-4032)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS
python3.10 3.10.12-1~22.04.5
python3.10-minimal 3.10.12-1~22.04.5
Ubuntu 20.04 LTS
python3.8 3.8.10-0ubuntu1~20.04.11
python3.8-minimal 3.8.10-0ubuntu1~20.04.11
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6928-1
CVE-2024-0397, CVE-2024-4032
Package Information:
https://launchpad.net/ubuntu/+source/python3.10/3.10.12-1~22.04.5
https://launchpad.net/ubuntu/+source/python3.8/3.8.10-0ubuntu1~20.04.11