No Identity-Based Policy Allows the IAM:PassRole Action
Identity and Access Management (IAM) is a crucial aspect of any cloud computing environment. It enables organizations to manage user access to resources and services securely. IAM policies are used to define permissions for users, groups, and roles. However, there are certain actions that cannot be granted through IAM policies. One such action is the IAM:PassRole action.
What is the IAM:PassRole Action?
The IAM:PassRole action is used to grant permission to pass a role to an Amazon Elastic Compute Cloud (EC2) instance. This action is required when an EC2 instance needs to assume a role to access AWS resources. The role can be used to grant permissions to access other AWS services, such as Amazon Simple Storage Service (S3) or Amazon Relational Database Service (RDS).
Why Can’t IAM Policies Grant the IAM:PassRole Action?
The IAM:PassRole action cannot be granted through IAM policies because it poses a security risk. If an IAM user or role is granted the IAM:PassRole action, they can pass any role to an EC2 instance, including roles with elevated privileges. This could potentially lead to unauthorized access to sensitive data or resources.
Instead, the IAM:PassRole action can only be granted through the EC2 instance profile. An instance profile is a container for an EC2 instance’s IAM role. When an EC2 instance is launched, it can be associated with an instance profile that grants it the necessary permissions to access AWS resources.
Conclusion
While IAM policies are a powerful tool for managing user access to AWS resources, they cannot grant the IAM:PassRole action. This action can only be granted through the EC2 instance profile to ensure that it is used securely. By following best practices for IAM and EC2 instance profiles, organizations can ensure that their cloud computing environment is secure and compliant.
References
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1.Granting a user permissions to pass a role to an AWS service
- Author: Granting
- Publish: 22 days ago
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Rating: 2
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- Descriptions: PassRole is a permission, meaning no CloudTrail logs are generated for IAM PassRole . To review what roles are passed to which AWS services in CloudTrail, you …
- More : PassRole is a permission, meaning no CloudTrail logs are generated for IAM PassRole . To review what roles are passed to which AWS services in CloudTrail, you …
- Source : https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use_passrole.html
(1714 Rating)
2.IAM: Pass an IAM role to a specific AWS service – AWS Documentation
- Author: IAM:
- Publish: 12 days ago
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Rating: 5(1062 Rating)
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- Descriptions: This example shows how you might create an identity-based policy that allows passing any IAM service role to the Amazon CloudWatch service. This policy grants …
- More : This example shows how you might create an identity-based policy that allows passing any IAM service role to the Amazon CloudWatch service. This policy grants …
- Source : https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_examples_iam-passrole-service.html
3.amazon web services – Understanding IAM Passrole – Stack Overflow
- Author: amazon
- Publish: 16 days ago
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Rating: 1(1862 Rating)
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Highest rating: 5
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- Descriptions: PassRole is a permission granted to IAM Users and resources that permits them to use an IAM Role. For example, imagine that there is an IAM …
- More : PassRole is a permission granted to IAM Users and resources that permits them to use an IAM Role. For example, imagine that there is an IAM …
- Source : https://stackoverflow.com/questions/63148108/understanding-iam-passrole
4.AWS IAM:PassRole explained – Rowan Udell
- Author: AWS
- Publish: 18 days ago
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Rating: 1(1068 Rating)
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- Source : https://blog.rowanudell.com/iam-passrole-explained/
5.How to Resolve iam:PassRole error message? – Learn Sql Team
- Author: How
- Publish: 10 days ago
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Rating: 2(1145 Rating)
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- Source : https://learnsqlteam.com/2022/08/06/how-to-resolve-iampassrole-error-message/
6.Not authorized to perform iam:PassRole error – How to resolve
- Author: Not
- Publish: 20 days ago
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Rating: 1(906 Rating)
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- Source : https://bobcares.com/blog/not-authorized-to-perform-iampassrole-error/
7.IAM PassRole: Auditing Least-Privilege – Ermetic
- Author: IAM
- Publish: 8 days ago
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Rating: 4(1017 Rating)
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- Source : https://ermetic.com/blog/aws/auditing-passrole-a-problematic-privilege-escalation-permission/
8.How to Use AWS IAM PassRole Permission – Linux Hint
- Author: How
- Publish: 9 days ago
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Rating: 3(1450 Rating)
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- Descriptions: The “PassRole” permission is granted by a user to its IAM user, role, or group for passing a role to an AWS service. To elaborate the previous concept, consider …
- More : The “PassRole” permission is granted by a user to its IAM user, role, or group for passing a role to an AWS service. To elaborate the previous concept, consider …
- Source : https://linuxhint.com/aws-iam-passrole-permission/
9.[PDF] Best practices for delegating access on AWS – Awsstatic
- Author: [PDF]
- Publish: 2 days ago
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Rating: 5(1767 Rating)
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Highest rating: 4
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- Descriptions: Using iam:PassRole to give IAM roles to Amazon Web Services resources … The role’s trust policy must allow the service to assume it.
- More : Using iam:PassRole to give IAM roles to Amazon Web Services resources … The role’s trust policy must allow the service to assume it.
- Source : https://d1.awsstatic.com/events/aws-reinforce-2022/IAM331_Best-practices-for-delegating-access-on-AWS.pdf
10.Issue uploading C# function to AWS Lambda – not authorized to …
- Author: Issue
- Publish: 0 days ago
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Rating: 3(1411 Rating)
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- Descriptions: I am brand new to using Lambda except for a tiny bit of exploration a while back. … because no identity-based policy allows the iam:PassRole action.
- More : I am brand new to using Lambda except for a tiny bit of exploration a while back. … because no identity-based policy allows the iam:PassRole action.
- Source : https://repost.aws/questions/QUvJ80drGUSe6OgX7uqtjnMQ/issue-uploading-c-function-to-aws-lambda-not-authorized-to-perform-iam-pass-role