Tavis Ormandy of the Google Security Team discovered a denial of service attack on the openssh sshd daemon when ssh protocol version 1 is enabled. This flaw will cause the openssh server to consume a large quantity of the CPU until the specified timeout is reached. The upstream patches can be found here: http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/deattack.c.diff?r1=1.29&r2=1.30&sortby=date&f=h http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/packet.c.diff?r1=1.143&r2=1.144&sortby=date&f=h http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/deattack.h.diff?r1=1.9&r2=1.10&sortby=date&f=h
*** This bug has been marked as a duplicate of 207955 ***