Tavis Ormandy has reported a vulnerability in OpenSSH, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the handling of multiple identical blocks in a ssh packet. If ssh protocol 1 is enabled, this can be exploited to cause a DoS due to CPU consumption by sending specially crafted ssh packets.

Solution
Apply patches.
Further details available to Secunia VIM customers

Provided and/or discovered by
Tavis Ormandy, Google Security Team

Changelog
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Original Advisory
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=207955

Other references
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Deep Links
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