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Ubuntu: USN-1197-5 Moderate: Certificate Authority Mis-Issue

ubuntu
Calendar Grey September 9, 2011
Scroller Ubuntu
Ubuntu's latest update addresses bogus certificates from a wrongly issued authority, boosting security for all user connections on the platform
A certificate authority mis-issued fraudulent certificates.

Summary

A certificate authority mis-issued fraudulent certificates.

Software Description:

- ca-certificates: Common CA certificates

Details:

USN-1197-1 addressed an issue in Firefox and Xulrunner pertaining to the

Dutch Certificate Authority DigiNotar mis-issuing fraudulent certificates.

This update provides the corresponding update for ca-certificates.

Original advisory details:

It was discovered that Dutch Certificate Authority DigiNotar, had

mis-issued multiple fraudulent certificates. These certificates could allow

an attacker to perform a "man in the middle" (MITM) attack which would make

the user believe their connection is secure, but is actually being

monitored.

For the protection of its users, Mozilla has removed the DigiNotar

certificate. Sites using certificates issued by DigiNotar will need to seek

another certificate vendor.

We are currently aware of a regression that blocks one of two Staat der

Nederlanden root certificates which ar...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory moderate update instructions ubuntu ca-certificates mitm attack

Update Instructions

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

Ubuntu 11.04:
  ca-certificates                 20090814+nmu2ubuntu0.1

Ubuntu 10.10:
  ca-certificates                 20090814ubuntu0.10.10.1

Ubuntu 10.04 LTS:
  ca-certificates                 20090814ubuntu0.10.04.1

After a standard system update you need to restart any application using
ca-certificates to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-1197-1

https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/837557

Severity
important
Lowest
Low
Medium
High
Critical

September 09, 2011

Topics%20covered

Topics Covered

security advisory moderate update instructions ubuntu ca-certificates mitm attack

Package Information

https://launchpad.net/ubuntu/+source/ca-certificates/20090814+nmu2ubuntu0.1
https://launchpad.net/ubuntu/+source/ca-certificates/20090814ubuntu0.10.10.1
https://launchpad.net/ubuntu/+source/ca-certificates/20090814ubuntu0.10.04.1

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