Threat Level: green Handler on Duty: Brad Duncan

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OpenSSH Legacy Certificate Information Disclosure Vulnerability

If generating a legacy certificate using the "-t" option, a vulnerability could be exploited by attackers to gain knowledge of sensitive information. If legacy certificates have been issued using OpenSSH version 5.6/5.7, consider rotating any CA key used. OpenSSH recommend upgrading to version 5.8 available here or apply this patch.



Guy Bruneau IPSS Inc. gbruneau at isc dot sans dot edu


515 Posts
ISC Handler
Feb 5th 2011

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