USN-1984-1: Python 3.2 vulnerabilities
1 October 2013
Several security issues were fixed in Python.
Releases
Packages
- python3.2 - 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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.10
Ubuntu 12.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-1985-1: python3.3, python3.3-minimal
- USN-1983-1: python2.7-minimal, python2.7
- USN-1982-1: python2.6-minimal, python2.6