26 lines
1.1 KiB
Plaintext
26 lines
1.1 KiB
Plaintext
### AWS IAM Authentication
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The security updates added in Vault 1.5.1, 1.4.4, 1.3.8, and 1.2.5 include additional header checking
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during AWS IAM authentication. The default list of allowed headers doesn't include some that are
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commonly present, which may result in a login error of the form:
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```
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Cannot login using AWS-IAM: invalid request header: X-Amz-Security-Token
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```
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This issue affects 1.5.2, 1.4.5, 1.3.9, and 1.2.6 as well. It has been corrected in 1.5.3, 1.4.6,
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1.3.10 and 1.2.7. The affected released versions can work around the issue by manually configuring
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the allowed header list, including all needed headers. A recommended configuration is shown below:
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```
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vault write auth/aws/config/client \
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allowed_sts_header_values="Content-Type" \
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allowed_sts_header_values="Content-Length" \
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allowed_sts_header_values="User-Agent" \
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allowed_sts_header_values="X-Amz-Date" \
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allowed_sts_header_values="Authorization" \
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allowed_sts_header_values="X-Amz-Security-Token" \
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allowed_sts_header_values="Host" \
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allowed_sts_header_values="X-Vault-Aws-Iam-Server-Id"
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```
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