| From: |
| Marc Deslauriers <marc.deslauriers@canonical.com> |
| To: |
| ubuntu-security-announce@lists.ubuntu.com |
| Subject: |
| [USN-1984-1] Python 3.2 vulnerabilities |
| Date: |
| Tue, 01 Oct 2013 11:25:26 -0400 |
| Message-ID: |
| <524AE966.7050603@canonical.com> |
| Archive-link: |
| Article, Thread
|
==========================================================================
Ubuntu Security Notice USN-1984-1
October 01, 2013
python3.2 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.10
- Ubuntu 12.04 LTS
Summary:
Several security issues were fixed in Python.
Software Description:
- 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 man 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:
python3.2 3.2.3-6ubuntu3.4
python3.2-minimal 3.2.3-6ubuntu3.4
Ubuntu 12.04 LTS:
python3.2 3.2.3-0ubuntu3.5
python3.2-minimal 3.2.3-0ubuntu3.5
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1984-1
CVE-2013-2099, CVE-2013-4238
Package Information:
https://launchpad.net/ubuntu/+source/python3.2/3.2.3-6ubu...
https://launchpad.net/ubuntu/+source/python3.2/3.2.3-0ubu...
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