sts:SetSourceIdentity is a Write access-level action in the sts service. Grants permission to set a source identity on a STS session
ARNs that sts:SetSourceIdentity can be scoped to in an IAM policy.
Keys you can use in the Condition block of a policy that grants sts:SetSourceIdentity.
Filters access by the source identity that is passed in the request
Filters access by the tags associated with the resource
Filters access by the tags that are attached to the role that is being assumed
A minimal policy that allows sts:SetSourceIdentity. Replace "Resource": "*" with a specific ARN to follow least privilege.
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "AllowStsSetSourceIdentity",
"Effect": "Allow",
"Action": "sts:SetSourceIdentity",
"Resource": "*"
}
]
}