1. Ubuntu Security Notices
  2. USN-830-1

USN-830-1: OpenSSL vulnerability

Publication date

14 September 2009

Overview

OpenSSL vulnerability

Releases

Packages

Details

Dan Kaminsky discovered OpenSSL would still accept certificates with MD2
hash signatures. As a result, an attacker could potentially create a
malicious trusted certificate to impersonate another site. This update
handles this issue by completely disabling MD2 for certificate validation.

Dan Kaminsky discovered OpenSSL would still accept certificates with MD2
hash signatures. As a result, an attacker could potentially create a
malicious trusted certificate to impersonate another site. This update
handles this issue by completely disabling MD2 for certificate validation.

Update instructions

After a standard system upgrade you need to reboot your computer to effect the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
9.04 jaunty libssl0.9.8 –  0.9.8g-15ubuntu3.3
8.10 intrepid libssl0.9.8 –  0.9.8g-10.1ubuntu2.5
8.04 hardy libssl0.9.8 –  0.9.8g-4ubuntu3.8
6.06 dapper libssl0.9.8 –  0.9.8a-7ubuntu0.10

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References

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