OpenSSL vulnerability

Richard Doyle rdoyle at islandnetworks.com
Thu May 15 02:29:57 BST 2008


On Tue, 2008-05-13 at 21:12 -0700, Richard Doyle wrote:
> There is a potentially serious vulnerability in OpenSSL which affects
> Edubuntu and other Debian-based distributions:
> http://www.ubuntu.com/usn/usn-612-1
>                                                                                                                                                       
> Fixes are described in http://wiki.debian.org/SSLkeys . Since SSH is a
> vital part of Edubuntu, and is affected by the vulnerability, every
> affected system should be fixed ASAP. As I understand it, the fix for
> version version 7.04 is to run the following commands:
> 
> sudo rm /etc/ssh/ssh_host_*
> sudo dpkg-reconfigure openssh-server
> sudo ltsp-update-sshkeys
> 
> This sounds like a serious vulnerability, particularly if you allow ssh
> access into the thin-client network from outside. Corrections are
> welcome!
> 
> There are related vulnerabilities that may affect some Edubuntu users
> (OpenVPN is vulnerable).

A follow-up...
This fix worked for our lab, but as noted, we're still using 7.04.





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