Threat CC.AuP.CCCPCCS-i.3

URI: CC.AuP.CCCPCCS-i.3

Package: ProcessComms

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Description: Access by Client to Process via reverse proxy Service: if client Client has access to service Process via reverse proxy Service, and Client is an untrustworthy client (due to impersonation or compromise), then so (in a more limited sense) is Service.

Threat Type: Primary Threat

Matching Pattern:

CC.AuP.CCCPCCS-i.3
MP-CCCPCCS-i

Finds a client accessing a reverse proxy that uses a service, via the associated client channels, where the client and service are not in a credential forwarding chain, plus optionally the reverse proxy manager.

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CSG-AutoSuspendUntrustworthyClientAccess

Access to service Service by client Client may be automatically disabled to prevent authenticated attacks by compromised clients, at the cost of some reduction in availability. This strategy represents a contingency plan, which can be used to reduce risk from some threats but it also triggers other threats representing possible side effects, depending on how likely it is that the contingency plan will need to be activated.

CSG-AutoSuspendUntrustworthyClientAccess-Implementation-Runtime

Access to service Service by client Client has been automatically disabled to prevent authenticated attacks by compromised clients. This strategy represents activation of a contingency plan at runtime, and can be selected to discover what effect this would have on risk levels, allowing this to be used for decision support calculations. Activation at runtime requires Service to be managed by a suitable adaptation framework. The Disable Client Access control should be deselected if and when access by Client to Service has been enabled once again.

CSG-SuspendUntrustworthyClientAccess

Access to service Service by client Client may be temporarily disabled by the process manager ServiceManager to prevent authenticated attacks by compromised or impersonated clients, at the cost of some reduction in availability. This strategy represents a contingency plan, which can be used to reduce risk from some threats. However, it also triggers other threats representing side effects of the policy change, based on how likely it is that the contingency plan will need to be activated.

CSG-SuspendUntrustworthyClientAccess-Implementation-Runtime

Access to service Service by client Client is disabled by the process manager ServiceManager to prevent authenticated attacks by compromised clients. This strategy represents activation of a contingency plan at runtime, and can be selected to discover what effect this would have on risk levels, allowing this to be used for decision support calculations. To activate it at runtime, signal the process manager ServiceManager. The Disable Client Access control should be deselected if and when access by Client to Service has been enabled once again.