USN-1983-1: Python 2.7 vulnerabilities
1 October 2013
Several security issues were fixed in Python.
- python2.7 - An interactive high-level object-oriented language
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. This
issue only affected Ubuntu 13.04. (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)
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.