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AIX7-00-002123 - The AIX SSH daemon must not allow RhostsRSAAuthentication.

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Information

If SSH permits rhosts RSA authentication, a user may be able to log in based on the keys of the host originating the request and not any user-specific authentication.

Solution

Edit the '/etc/ssh/sshd_config file', add the following line, and save the change:
RhostsRSAAuthentication no

Restart the SSH daemon:
# stopsrc -s sshd
# startsrc -s sshd

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_IBM_AIX_7-x_V2R6_STIG.zip

Item Details

References: CAT|II, CCI|CCI-000366, Rule-ID|SV-215305r508663_rule, STIG-ID|AIX7-00-002123, STIG-Legacy|SV-101847, STIG-Legacy|V-91749, Vuln-ID|V-215305

Plugin: Unix

Control ID: 9b73bd4821c64cefab0e3f54f363a936e9e78c4c92a94281942ee080511d0177