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XCCDF
Microsoft SCOM Security Technical Implementation Guide
Microsoft SCOM Security Technical Implementation Guide
An XCCDF Benchmark
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18 rules organized in 18 groups
SRG-APP-000317-NDM-000282
1 Rule
<GroupDescription></GroupDescription>
Members of the SCOM Administrators Group must be reviewed to ensure access is still required.
Medium Severity
<VulnDiscussion>When people leave their roles, their group memberships are often times not updated.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000033-NDM-000212
1 Rule
<GroupDescription></GroupDescription>
Manually configured SCOM Run As accounts must be set to More Secure distribution.
High Severity
<VulnDiscussion>The Microsoft SCOM privileged Run As accounts are used to execute work flow tasks on target endpoints. A SCOM Run As account creates an interactive log on session to perform its tasks. The interactive session could allow an attacker to harvest and reuse these credentials. The SCOM less-secure distribution option configures a Run As account to run on every SCOM agent within the environment, making it easier for an attacker to compromise a critical account. The use of the SCOM "More Secure" option restricts Run As accounts to specific systems. This restricts a compromised account to a specific set of systems limiting the ability of an attacker to move laterally within the network. A less secure distribution means that if any server running a SCOM agent is compromised, then the accounts credentials may be reused by an attacker.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000033-NDM-000212
1 Rule
<GroupDescription></GroupDescription>
SCOM Run As accounts used to manage Linux/UNIX endpoints must be configured for least privilege.
High Severity
<VulnDiscussion>The Microsoft SCOM privileged Run As accounts are used to execute work flow tasks on target endpoints. A SCOM Run As account must only have the level of privileges required to perform the defined SCOM actions. An account with full administrative (SUDO) privileges could be used to breach security boundaries and compromise the endpoint.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000033-NDM-000212
1 Rule
<GroupDescription></GroupDescription>
The Microsoft SCOM Agent Action Account must be a local system account.
Medium Severity
<VulnDiscussion>The SCOM agent action account is the account agent used to perform tasks on an individual machine. By default, the action agent account is the local system account, but this can be configured to run as a service account. In that scenario, the account will be running locally in memory and could be used by an attacker to laterally move throughout an environment. Using the local system account limits the ability to laterally traverse within the environment if a specific endpoint is compromised.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000033-NDM-000212
1 Rule
<GroupDescription></GroupDescription>
The Microsoft SCOM Run As accounts must only use least access permissions.
Medium Severity
<VulnDiscussion>The Microsoft SCOM privileged Run As accounts are used to execute work flow tasks on target endpoints. Run As Accounts are interactive logon sessions on a system. An attacker who has compromised one of those systems could potentially reuse the credentials of a Run As account on another system.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000033-NDM-000212
1 Rule
<GroupDescription></GroupDescription>
The Microsoft SCOM administration console must only be installed on Management Servers and hardened Privileged Access Workstations.
Low Severity
<VulnDiscussion>The Microsoft SCOM management servers are considered high value IT resources where compromise would cause a significant impact to the organization. The Operations Manager console contains APIs that an attacker can use to decrypt Run As accounts or install malicious management packs. If a SCOM console sits on a Tier 2 device, an attacker could use the administrator's alternate credentials to exploit SCOM. A Privileged Admin Workstation (PAW) device provides configuration and installation requirements for dedicated Windows workstations used exclusively for remote administrative management of designated high-value IT resources.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000033-NDM-000212
1 Rule
<GroupDescription></GroupDescription>
The Microsoft SCOM Service Accounts and Run As accounts must not be granted enterprise or domain level administrative privileges.
High Severity
<VulnDiscussion>The Microsoft SCOM privileged Run As accounts are used to execute work flow tasks on target endpoints. A SCOM Run As account must only have the level of privileges required to perform the defined SCOM actions. An account with full administrative at the domain or enterprise level could be used to breach security boundaries and compromise the endpoint.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000033-NDM-000212
1 Rule
<GroupDescription></GroupDescription>
SCOM SQL Management must be configured to use least privileges.
High Severity
<VulnDiscussion>Microsoft SCOM's SQL management requires a Run as solution because the local system account will not have the required permissions to monitor SQL. If the Run As account is created with elevated database privileges on the SQL endpoint, this can be used to modify SQL databases, breach security boundaries, or otherwise compromise the endpoint.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000516-NDM-000340
1 Rule
<GroupDescription></GroupDescription>
The Microsoft SCOM server must back up audit records at least every seven days onto a different system or system component than the system or component being audited.
Medium Severity
<VulnDiscussion>Protection of log data includes assuring log data is not accidentally lost or deleted. Regularly backing up audit records to a different system or onto separate media than the system being audited helps to assure, in the event of a catastrophic system failure, the audit records will be retained.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000516-NDM-000351
1 Rule
<GroupDescription></GroupDescription>
The Microsoft SCOM server must be running Windows operating system that supports modern security features such as virtualization based security.
High Severity
<VulnDiscussion>Network devices running older but supported operating systems lack modern security features that mitigate attack surfaces. Attackers face a higher level of complexity to overcome during a compromise attempt.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000516-NDM-000340
1 Rule
<GroupDescription></GroupDescription>
SCOM unsealed management packs must be backed up regularly.
Low Severity
<VulnDiscussion>SCOM's configuration information is stored within unsealed management packs. Even without SQL backups, a catastrophic failure to SCOM can be recovered from quickly if the unsealed management packs have been backed up. Satisfies: SRG-APP-000516-NDM-000340, SRG-APP-000516-NDM-000341</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000516-NDM-000344
1 Rule
<GroupDescription></GroupDescription>
If a certificate is used for the SCOM web console, this certificate must be generated by a DoD CA or CA approved by the organization.
Low Severity
<VulnDiscussion>Web certificates should always be signed by a trusted signer and never self-signed.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000395-NDM-000310
1 Rule
<GroupDescription></GroupDescription>
The Microsoft SCOM SNMP Monitoring in SCOM must use SNMP V3.
Low Severity
<VulnDiscussion>SNMP Versions 1 and 2 do not use a FIPS-validated Keyed-Hash message Authentication Code (HMAC). SCOM has the capability of monitoring all versions of SNMP. As such, SNMP 1 and 2 monitoring should only be done if the device being monitored does not support SNMP V3.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000080-NDM-000345
1 Rule
<GroupDescription></GroupDescription>
The Microsoft SCOM server must use an active directory group that contains authorized members of the SCOM Administrators Role Group.
Medium Severity
<VulnDiscussion>During the initial installation, SCOM grants the Builtin\Administrators group administrator rights to the application. This configuration will allow any local administrator to the SCOM server to have full administrative rights into SCOM.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000080-NDM-000345
1 Rule
<GroupDescription></GroupDescription>
The default Builtin\Administrators group must be removed from the SCOM Administrators Role Group.
Medium Severity
<VulnDiscussion>SCOM servers with default well-known operating system groups defined the SCOM Administrators Global Group may allow a local administrator access to privileged SCOM access.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000412-NDM-000331
1 Rule
<GroupDescription></GroupDescription>
The SCOM Web Console must be configured for HTTPS.
High Severity
<VulnDiscussion>HTTP sessions are sent in clear text and can allow a man in the middle to recon the environment. The web console itself does not allow for administrative actions, so most of the risk associated with http authentication is inherently mitigated. However, this would allow an attacker to intercept SCOM web-console traffic for reconnaissance purposes.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000224-NDM-000270
1 Rule
<GroupDescription></GroupDescription>
All SCOM servers must be configured for FIPS 140-2 compliance.
High Severity
<VulnDiscussion>Unapproved mechanisms used for authentication to the cryptographic module are not validated and therefore cannot be relied on to provide confidentiality or integrity, and DoD data may be compromised. FIPS 140-2 is the current standard for validating that mechanisms used to access cryptographic modules utilize authentication that meets DoD requirements. However, authentication algorithms must configure security processes to use only FIPS-approved and NIST-recommended authentication algorithms. SCOM is FIPS-compliant out of the box with the exception of the Web Console.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000435-NDM-000315
1 Rule
<GroupDescription></GroupDescription>
A host-based firewall must be configured on the SCOM management servers.
Medium Severity
<VulnDiscussion>To prevent a DDoS, a firewall that inspects and drops packets must be configured.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>