The SSH protocols 1 and 2 (aka SSH-2) as implemented in OpenSSH and other packages have various weaknesses which can allow a remote attacker to obtain the following information via sniffing: (1) password lengths or ranges of lengths, which simplifies brute force password guessing, (2) whether RSA or DSA authentication is being used, (3) the number of authorized_keys in RSA authentication, or (4) the lengths of shell commands.
Link | Tags |
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http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-033.php3 | patch vendor advisory |
http://www.redhat.com/support/errata/RHSA-2001-033.html | patch vendor advisory |
http://archives.neohapsis.com/archives/bugtraq/2001-03/0225.html | mailing list exploit patch vendor advisory |
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000391 | vendor advisory |
http://www.kb.cert.org/vuls/id/596827 | third party advisory us government resource |