Information Disclosure in OpenSSH's auth_parse_options Function

CVE-2012-0814 · LOW Severity

AV:N/AC:M/AU:S/C:P/I:N/A:N

The auth_parse_options function in auth-options.c in sshd in OpenSSH before 5.7 provides debug messages containing authorized_keys command options, which allows remote authenticated users to obtain potentially sensitive information by reading these messages, as demonstrated by the shared user account required by Gitolite. NOTE: this can cross privilege boundaries because a user account may intentionally have no shell or filesystem access, and therefore may have no supported way to read an authorized_keys file in its own home directory.

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