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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Openbsd Openssh | — | Upgrade to the latest version of OpenSSH | Dec 5, 2012 | Aug 22, 2001 |
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