AWS AgentCore security undone by prompt requesting credentials
Summary
A security vulnerability in AWS AgentCore has been discovered, allowing attackers to potentially steal credentials. The vulnerability stems from tokens being transmitted in metadata, weak virtual machine isolation, and broad permissions granted to the agent.
IFF Assessment
This vulnerability allows attackers to gain unauthorized access and potentially compromise cloud infrastructure, posing a significant risk to defenders.
Severity
The vulnerability allows for unauthorized access to sensitive credentials, has a high attack vector (network-accessible metadata endpoints), and can lead to significant impact on confidentiality, integrity, and availability.
Defender Context
This highlights the critical need for robust security configurations in cloud environments, particularly concerning the management of service account credentials and inter-service communication. Defenders should review agent permissions, metadata access, and VM isolation mechanisms to mitigate similar risks.