Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

USN-1985-1: Python 3.3 vulnerabilities

1 October 2013

Several security issues were fixed in Python.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • python3.3 - An interactive high-level object-oriented language

Details

Florian Weimer discovered that Python incorrectly handled matching multiple
wildcards in ssl certificate hostnames. An attacker could exploit this to
cause Python to consume resources, resulting in a denial of service.
(CVE-2013-2099)

Ryan Sleevi discovered that Python did not properly handle certificates
with NULL characters in the Subject Alternative Name field. An attacker
could exploit this to perform a machine-in-the-middle attack to view sensitive
information or alter encrypted communications. (CVE-2013-4238)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 13.04
Ubuntu 12.10

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

Related notices