The Samsung KNOX for Android container must be configured to prohibit more than 10 consecutive failed authentication attempts.

From Samsung Android OS 6 (with KNOX 2.x) Security Technical Implementation Guide

Part of PP-MDF-991000

Associated with: CCI-000366

SV-84299r1_rule The Samsung KNOX for Android container must be configured to prohibit more than 10 consecutive failed authentication attempts.

Vulnerability discussion

Users must not be able to override the system policy on the maximum number of consecutive failed authentication attempts because this could allow them to raise the maximum, thus giving adversaries more chances to guess/brute force passwords, which increases the risk of the mobile device being compromised. Therefore, only administrators should have the authority to set consecutive failed authentication attempt policies.SFR ID: FMT_SMF_EXT.1.1 #45

Check content

This validation procedure is performed on the MDM Administration Console only. Check whether the device lock screen setting is configured on the MDM server. 1. Ask the MDM administrator to display the "Maximum Failed Attempts" field in the "Android KNOX Container >> Container Password Restrictions" rule. 2. Verify the value of the setting is "10" or less. If there is no value configured for the "Maximum Failed Attempts" field, or if it is greater than "10", this is a finding.

Fix text

Configure the mobile operating system to allow only "10" or less consecutive failed authentication attempts. On the MDM Administration Console, set the "Maximum Failed Attempts" to the organization-defined value in the "Android KNOX Container >> Container Password Restrictions" rule.

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