Date: Sun, 15 Oct 2006 11:42:47 -0700 From: freebsd@bitfreak.org To: freebsd-security@freebsd.org Subject: sshd "bad protocol version identification" messages Message-ID: <45328127.7020702@bitfreak.org>
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I'm seeing lines like the following in my security logs: Oct 14 06:56:32 srv sshd[41370]: Bad protocol version identification '\200b\001\003\001' from 24.203.221.239 From what I've read, this is a buffer overflow attack on the sshd whereby the attacker triggers the overflow before the identification string is sent then attempts commands to see if elevated priveleges were obtained. The log message is produced by sshd trying to interpret the commands as the identification string. Is this related to SA-06:22 or SA-06:23, or is this another bug?
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