Check: SRG-OS-000329-VMM-001180
Virtual Machine Manager SRG:
SRG-OS-000329-VMM-001180
(in versions v2 r2 through v1 r3)
Title
The VMM must automatically lock an account until the locked account is released by an administrator, when three unsuccessful logon attempts in 15 minutes are made. (Cat II impact)
Discussion
By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced. Limits are imposed by locking the account.
Check Content
Verify the VMM automatically locks an account until the locked account is released by an administrator, when three unsuccessful logon attempts in 15 minutes are made. If it does not, this is a finding.
Fix Text
Configure the VMM to automatically lock an account until the locked account is released by an administrator, when three unsuccessful logon attempts in 15 minutes are made.
Additional Identifiers
Rule ID: SV-207448r958736_rule
Vulnerability ID: V-207448
Group Title: SRG-OS-000329
Expert Comments
CCIs
| Number | Definition |
|---|---|
| CCI-002238 |
Automatically lock the account or node for either an organization-defined time period, until the locked account or node is released by an administrator, or delays the next logon prompt according to the organization-defined delay algorithm when the maximum number of unsuccessful logon attempts is exceeded. |
Controls
| Number | Title |
|---|---|
| AC-7 |
Unsuccessful Logon Attempts |