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AWS emr medium security documentation change

Service: emr · 2025-08-16 · Security-related medium

File: emr/latest/ManagementGuide/emr-studio-manage-users.md

Summary

Updated resource ARNs, added Sids, and corrected condition key from emr:ResourceTag to elasticmapreduce:ResourceTag

Security assessment

The correction from 'emr:ResourceTag' to 'elasticmapreduce:ResourceTag' fixes a potential misconfiguration in tag-based access control. This could prevent unintended access if users relied on the incorrect condition key, making it a security-relevant documentation fix.

Diff

diff --git a/emr/latest/ManagementGuide/emr-studio-manage-users.md b/emr/latest/ManagementGuide/emr-studio-manage-users.md
index 6b9ccb18b..11a3cb152 100644
--- a//emr/latest/ManagementGuide/emr-studio-manage-users.md
+++ b//emr/latest/ManagementGuide/emr-studio-manage-users.md
@@ -51 +51,3 @@ JSON
-                "Resource": "arn:aws:elasticmapreduce:<region>:<account-id>:studio/<studio-id>"
+          "Resource": [
+            "arn:aws:elasticmapreduce:us-east-1:111122223333:studio/studio-id>"
+          ]
@@ -86 +88,3 @@ JSON
-                "Resource": "arn:aws:elasticmapreduce:<region>:<account-id>:studio/*",
+          "Resource": [
+            "arn:aws:elasticmapreduce:region>:111122223333>:studio/*"
+          ],
@@ -121,2 +125,6 @@ JSON
-          "Action": "elasticmapreduce:CreateStudioPresignedUrl",
-          "Resource": "<example-studio-arn>",
+          "Action": [
+            "elasticmapreduce:CreateStudioPresignedUrl"
+          ],
+          "Resource": [
+            "arn:aws:elasticmapreduce:us-east-1:111122223333:studio/studio-name"
+          ],
@@ -125,2 +133 @@ JSON
-              "aws:SourceIdentity": "<example-source-identity>"
-            }
+              "aws:SourceIdentity": "example-source-identity>"
@@ -127,0 +135,2 @@ JSON
+          },
+          "Sid": "AllowELASTICMAPREDUCECreatestudiopresignedurl"
@@ -272 +281,3 @@ JSON
-                "Resource": "arn:aws:elasticmapreduce:<region>:<account-id>:studio/*",
+          "Resource": [
+            "arn:aws:elasticmapreduce:us-east-1:111122223333:studio/*"
+          ],
@@ -275 +286 @@ JSON
-                        "emr:ResourceTag/Team": [
+              "elasticmapreduce:ResourceTag/Team": [