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Ubuntu 22.04 LTS USN-6513-2 moderate: Python DoS and TLS Bypass

ubuntu
Calendar Grey November 27, 2023
Dist Ubuntu Esm H88
The latest Ubuntu release tackles vulnerabilities in Ruby, enhancing security measures and protecting systems from potential risks.
Several security issues were fixed in Python.

Summary

Several security issues were fixed in Python.

Software Description:

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

- python3.10: An interactive high-level object-oriented language

- python3.8: An interactive high-level object-oriented language

Details:

USN-6513-1 fixed vulnerabilities in Python. This update provides the

corresponding updates for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and

Ubuntu 23.04.

Original advisory details:

 It was discovered that Python incorrectly handled certain plist files.

 If a user or an automated system were tricked into processing a specially

 crafted plist file, an attacker could possibly use this issue to consume

 resources, resulting in a denial of service. (CVE-2022-48564)

 It was discovered that Python instances of ssl.SSLSocket were vulnerable

 to a bypass of the TLS handshake. An attacker could possibly use this

 issue to cause applications to treat unauthenticated received data before

...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service moderate impact ubuntu python tls bypass

Update Instructions

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

Ubuntu 23.04:
   python3.11                      3.11.4-1~23.04.1

Ubuntu 22.04 LTS:
   python3.10                      3.10.12-1~22.04.3

Ubuntu 20.04 LTS:
   python3.8                       3.8.10-0ubuntu1~20.04.9

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

References

  https://ubuntu.com/security/notices/USN-6513-2

  https://ubuntu.com/security/notices/USN-6513-1

  CVE-2023-40217

Ubuntu Security Notice USN-6513-2

Topics%20covered

Topics Covered

security advisory denial of service moderate impact ubuntu python tls bypass

Package Information

  https://launchpad.net/ubuntu/+source/python3.11/3.11.4-1~23.04.1
https://launchpad.net/ubuntu/+source/python3.10/3.10.12-1~22.04.3

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