AWS bedrock-agentcore high security documentation change
Summary
Added security note about unique callback URLs preventing replay/CSRF attacks. Restructured steps: 1) Create Yandex client without redirect URI 2) Create credential provider to get unique URL 3) Register URL with Yandex.
Security assessment
Documents security feature where unique callback URLs mitigate OAuth2 authorization-code exchange vulnerabilities including cross-provider replay and CSRF attacks.
Diff
diff --git a/bedrock-agentcore/latest/devguide/identity-idp-yandex.md b/bedrock-agentcore/latest/devguide/identity-idp-yandex.md index d88d72096..ef3556255 100644 --- a//bedrock-agentcore/latest/devguide/identity-idp-yandex.md +++ b//bedrock-agentcore/latest/devguide/identity-idp-yandex.md @@ -15 +15 @@ Yandex can be configured as an AgentCore Identity credential provider for outbou -**Step 1** +###### Note @@ -17 +17,5 @@ Yandex can be configured as an AgentCore Identity credential provider for outbou -Use the following procedure to set up a Yandex OAuth2 application and obtain the necessary client credentials for AgentCore Identity. +AgentCore Identity issues a unique OAuth2 callback URL for each credential provider you create. The unique callback URL enables session binding, which protects the OAuth2 authorization-code exchange against cross-provider replay and CSRF-style attacks by ensuring an authorization response can only be redeemed against the specific credential provider that initiated it. Because the URL is unique per provider, you won’t know it until **after** you call `CreateOauth2CredentialProvider`. Create your Yandex OAuth2 client first, then return to the Yandex developer console to register the callback URL once AgentCore Identity has issued it. + +**Step 1: Create the Yandex OAuth2 client** + +Use the following procedure to set up a Yandex OAuth2 application and obtain the necessary client credentials for AgentCore Identity. You will register the redirect URI in Step 3, after AgentCore Identity issues the unique callback URL. @@ -33,3 +37 @@ Use the following procedure to set up a Yandex OAuth2 application and obtain the - 7. Configure the following as the redirect URI for the application: - - https://bedrock-agentcore.region.amazonaws.com/identities/oauth2/callback + 7. Leave the redirect URI field empty for now — you will add the unique callback URL in Step 3. @@ -46 +48 @@ For more details, refer to [Yandex’s OAuth documentation](https://yandex.com/d -**Step 2** +**Step 2: Create the AgentCore Identity credential provider** @@ -61,0 +64,15 @@ To configure Yandex as an outbound resource provider, use the following: +The [CreateOauth2CredentialProvider](https://docs.aws.amazon.com/bedrock-agentcore-control/latest/APIReference/API_CreateOauth2CredentialProvider.html) response includes a `callbackUrl` field. This URL is unique to this credential provider and looks like: `https://bedrock-agentcore.us-east-1.amazonaws.com/identities/oauth2/callback/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX`. Save this value for the next step. + +**Step 3: Register the unique callback URL with Yandex** + +Return to the Yandex developer console and add the unique callback URL to your OAuth2 application’s redirect URI list. + + 1. Sign in to the Yandex developer console and open the OAuth2 application you created in Step 1. + + 2. Add the `callbackUrl` value returned by `CreateOauth2CredentialProvider` to the application’s redirect URI configuration. + + 3. Save your changes. + + + +