To keep your cloud environment secure, follow these three steps:
: A more secure version that requires a session token obtained through a PUT request before metadata can be queried. To keep your cloud environment secure, follow these
: Ensure the IAM role attached to the instance has the absolute minimum permissions required to function, limiting the "blast radius" if credentials are stolen. Mostafa Hussein Cloud Instance Metadata Services (IMDS) -
* 169.254. 169.254 is an IP address used by cloud service providers, such as AWS, Azure, and Google Cloud, to provide metadata abo... Security Compass such as AWS
Breaking In: Fetching EC2 IAM Credentials. With SSRF confirmed, my next goal was to access the EC2 instance metadata service to lo... Mostafa Hussein Cloud Instance Metadata Services (IMDS) - LinkedIn
: The attacker aims to steal the temporary credentials, which can then be used from outside the AWS environment to gain unauthorized access to your cloud resources, such as S3 buckets or other EC2 instances. IMDS Versioning :
: By appending the role name to the URL (e.g., .../security-credentials/MyRoleName ), a user can retrieve an Access Key , Secret Key , and Session Token to perform actions authorized by that role. Security Implications & SSRF