Access to KMS is not allowed when User Permission changes

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Hi,

I created a new encryption key and gave user access to aws-elasticbeanstalk-ec2-role. Then, I created a Secret Manager and set the new encryption key as the one for the secret. Then I deployed the example code to elastic beanstalk and test it and all worked just fine.

Then I removed IAMFullAccess permission for my user and test it again but I got the following error message:
"An error occurred (AccessDeniedException) when calling the GetSecretValue operation: Access to KMS is not allowed "

Then a added the IAMFullAccess permission and it worked again. It is important to say that other users have PowerUserAccess and IAMFullAccess so they can see everything.

Please tell me why is this happening and what can I do to use secret without having IAMFullAccess permission in my user.

demandé il y a 6 ans7344 vues
4 réponses
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HI
You create your inline policy according to your need for the user or role and attach it if the required access is not present in the default aws roles / policies.

répondu il y a 6 ans
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Hi,
Thank you for your answer.
It is important to notice that the error message: "An error occurred (AccessDeniedException) when calling the GetSecretValue operation: Access to KMS is not allowed" appears when trying to access to the secret from elastic beanstalk machine.
I gave aws-elasticbeanstalk-ec2-role IAMFullAccess permission and removed it from my user permissions and the same error appears.
What I want to achieve is the secret to be accessible from an elastic beanstalk machine but not from my user in the aws console.
any ideas?

répondu il y a 6 ans
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An error occurred (AccessDeniedException) when calling the GetSecretValue operation: Access to KMS is not allowed

The same error i'm getting when calling secretsmanager form python sdk, while in CLI working fine.

répondu il y a 5 ans
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Hello,
It appears that you have chosen to encrypt secrets with a AWS KMS customer master key (CMK). In such scenarios, you must provide permissions to decrypt using the CMK. This is in addition to the Secrets Manager permissions required to retrieve the secret. See KMS documentation on authorizing use of CMK with Secrets Manager for details: https://docs.aws.amazon.com/kms/latest/developerguide/services-secrets-manager.html
--Apurv

répondu il y a 5 ans

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