Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 461
Alerts This Week
Warning Icon 1 461

Ubuntu 10.04 LTS USN-1982-1 Critical: Python 2.6 Certificate Flaw

ubuntu
Calendar Grey October 1, 2013
Scroller Ubuntu
Counterfeit credentials may jeopardize confidential information online. Upgrade Python 2.6 on Ubuntu 10.04 to minimize vulnerabilities.
Fraudulent security certificates could allow sensitive information to be exposed when accessing the Internet.

Summary

Fraudulent security certificates could allow sensitive information to

be exposed when accessing the Internet.

Software Description:

- python2.6: An interactive high-level object-oriented language

Details:

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.

Topics%20covered

Topics Covered

security advisory ubuntu man-in-the-middle python certificate issue

Update Instructions

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

Ubuntu 10.04 LTS:
  python2.6                       2.6.5-1ubuntu6.2
  python2.6-minimal               2.6.5-1ubuntu6.2

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

References

https://ubuntu.com/security/notices/USN-1982-1

CVE-2013-4238

Severity
critical
Lowest
Low
Medium
High
Critical

October 01, 2013

Topics%20covered

Topics Covered

security advisory ubuntu man-in-the-middle python certificate issue

Package Information

https://launchpad.net/ubuntu/+source/python2.6/2.6.5-1ubuntu6.2

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.