services / Google Cloud / Compute Engine managed instance groups

Create and alter managed instance groups.

Allows creation, modification, and destruction of auto-scaling instance groups. Except for resizing, can not critically impact organizational functions.

compute.​instanceGroupManagers.​update

Groups can be resized, either increasing spend or destroying infrastructure. Groups can be added to target pools, granting access via unsecured network endpoints.

Risks

1. Data destruction (CRITICAL)
2. Infrastructure destruction (HIGH)
3. Network destruction (HIGH)
4. Lateral movement (BOOST)
5. Spend (MEDIUM)

Scope: CRITICAL

This privilege may grant access to sensitive data from a significant fraction of organizational functions, allow interruption of critical organizational services, or its exploit could lead to significant privilege escalation.

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