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

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_V3R3_STIG.zip

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-215305r991591_rule, STIG-ID|AIX7-00-002123, STIG-Legacy|SV-101847, STIG-Legacy|V-91749, Vuln-ID|V-215305

Plugin: Unix

Control ID: c530601549fdef45fc1557ccc545f6519ec367635d0d2a404d9c0f433d5724a8