Riverbed Optimization System (RiOS) must enforce the limit of three (3) consecutive invalid logon attempts by a user during a 15-minute time period for device console access.

From Riverbed SteelHead CX v8 NDM Security Technical Implementation Guide

Associated with: CCI-000044

SV-77349r1_rule Riverbed Optimization System (RiOS) must enforce the limit of three (3) consecutive invalid logon attempts by a user during a 15-minute time period for device console access.

Vulnerability discussion

By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced.

Check content

Verify that RiOS is configured to limit the number of invalid logon attempts during a 15 minute period to 3. Login to the device console to access the command line interface (CLI) Type: show authentication policy Verify that "Maximum unsuccessful logins before account lockout:" is set to "3" Verify that "Wait before account unlock:" is set to "900" seconds If "Maximum unsuccessful logins before account lockout" is not set to "3" and/or "Wait before account unlock" is not set to "900" seconds, this is a finding.

Fix text

Configure RiOS to limit the number of invalid logon attempts to 3 during a 15 minute period. Login to the device console to access the command line interface (CLI) Type: enable Type: conf t Type: authentication policy template strong Scroll down to "Maximum unsuccessful logins before account lockout:" and type "3" Under "Wait before account unlock:" and type "900" Seconds Type: write memory

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