Vulnerability Discussion
Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities.
The "Deny log on as a batch job" user right defines accounts that are prevented from logging on to the system as a batch job, such as Task Scheduler.
The Guests group must be assigned to prevent unauthenticated access.
Check
This applies to domain controllers. A separate version applies to other systems.
Verify the effective setting in Local Group Policy Editor.
Run "gpedit.msc".
Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment.
If the following accounts or groups are not defined for the "Deny log on as a batch job" user right, this is a finding:
- Guests Group
For server core installations, run the following command:
Secedit /Export /Areas User_Rights /cfg c:\path\filename.txt
Review the text file.
If the following SID(s) are not defined for the "SeDenyBatchLogonRight" user right, this is a finding:
S-1-5-32-546 (Guests)
Fix
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> Deny log on as a batch job to include the following:
- Guests Group