⚠️ Region Alert: UAE/Middle East
Researchers identified a critical configuration flaw in the Amazon Bedrock AgentCore starter toolkit's default deployment model. The toolkit automates the creation of IAM roles that grant broad wildcard permissions across an AWS account instead of following the principle of least privilege. This "Agent God Mode" introduces a significant risk where a single compromised agent can gain "omniscient" control over other agents and resources.
The investigation uncovered a multi-stage attack chain allowing for the exfiltration of proprietary ECR images, unauthorized access to sensitive conversation memories, and the ability to invoke code interpreters to escalate privileges. Following disclosure, AWS updated its documentation to include security warnings, clarifying that these default configurations are strictly for development and testing rather than production use.
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