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Check: 5.239

Windows Vista STIG: 5.239 (in versions v6 r42 through v6 r41)

Title

Windows Explorer – Heap Termination (Cat III impact)

Discussion

This check verifies that heap termination on corruption is disabled. This may prevent Windows Explorer from terminating immediately from certain legacy plug-in applications.

Check Content

If the following registry value doesn’t exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Policies\Microsoft\Windows\Explorer\ Value Name: NoHeapTerminationOnCorruption Type: REG_DWORD Value: 0

Fix Text

Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Explorer “Turn off heap termination on corruption” to “Disabled”.

Additional Identifiers

Rule ID: SV-16657r2_rule

Vulnerability ID: V-15718

Group Title: Windows Explorer – Heap Termination

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CCIs

CCIs tied to check.

Number	Definition
CCI-002385	The information system protects against or limits the effects of organization-defined types of denial of service attacks by employing organization-defined security safeguards.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
SC-5	Denial Of Service Protection