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Fix bug where admin can read system index #4774

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merged 3 commits into from
Oct 3, 2024
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Merged

Fix bug where admin can read system index #4774

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c0efd45
Fix bug where admin can read system index
derek-ho Oct 3, 2024
7402adb
rename file + test
derek-ho Oct 3, 2024
7459bc2
Rename test
derek-ho Oct 3, 2024
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25 changes: 25 additions & 0 deletions src/integrationTest/java/org/opensearch/security/SystemIndexTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -80,4 +80,29 @@ public void adminShouldNotBeAbleToDeleteSecurityIndex() {
assertThat(response4.getStatusCode(), equalTo(RestStatus.FORBIDDEN.getStatus()));
}
}

@Test
public void adminShouldNotBeAbleToReadSecurityIndex() {
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// Create system index and index a dummy document as the super admin user, data returned to super admin
try (TestRestClient client = cluster.getRestClient(cluster.getAdminCertificate())) {
HttpResponse response1 = client.put(".system-index1");

assertThat(response1.getStatusCode(), equalTo(RestStatus.OK.getStatus()));
String doc = "{\"field\":\"value\"}";
HttpResponse adminPostResponse = client.postJson(".system-index1/_doc/1?refresh=true", doc);
assertThat(adminPostResponse.getStatusCode(), equalTo(RestStatus.CREATED.getStatus()));
HttpResponse response2 = client.get(".system-index1/_search");

assertThat(response2.getStatusCode(), equalTo(RestStatus.OK.getStatus()));
assertThat(response2.getBody(), response2.getBody().contains("\"hits\":{\"total\":{\"value\":1,\"relation\":\"eq\"}"));
}

// Regular users should not be able to read it
try (TestRestClient client = cluster.getRestClient(USER_ADMIN)) {
// regular user cannot read system index
HttpResponse response1 = client.get(".system-index1/_search");

assertThat(response1.getBody(), response1.getBody().contains("\"hits\":{\"total\":{\"value\":0,\"relation\":\"eq\"}"));
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}
}
}
6 changes: 4 additions & 2 deletions src/main/java/org/opensearch/security/configuration/SecurityIndexSearcherWrapper.java
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Expand Up @@ -39,6 +39,7 @@
import org.opensearch.core.common.transport.TransportAddress;
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import org.opensearch.core.index.Index;
import org.opensearch.index.IndexService;
import org.opensearch.indices.SystemIndexRegistry;
import org.opensearch.security.privileges.PrivilegesEvaluator;
import org.opensearch.security.securityconf.ConfigModel;
import org.opensearch.security.securityconf.SecurityRoles;
Expand Down Expand Up @@ -152,7 +153,8 @@ protected final boolean isBlockedProtectedIndexRequest() {
}

protected final boolean isBlockedSystemIndexRequest() {
boolean isSystemIndex = systemIndexMatcher.test(index.getName());
boolean matchesSystemIndexRegisteredWithCore = !SystemIndexRegistry.matchesSystemIndexPattern(Set.of(index.getName())).isEmpty();
boolean isSystemIndex = systemIndexMatcher.test(index.getName()) || matchesSystemIndexRegisteredWithCore;
if (!isSystemIndex) {
return false;
}
Expand All @@ -161,7 +163,7 @@ protected final boolean isBlockedSystemIndexRequest() {
final User user = threadContext.getTransient(ConfigConstants.OPENDISTRO_SECURITY_USER);
if (user == null) {
// allow request without user from plugin.
return systemIndexMatcher.test(index.getName());
return systemIndexMatcher.test(index.getName()) || matchesSystemIndexRegisteredWithCore;
}
final TransportAddress caller = threadContext.getTransient(ConfigConstants.OPENDISTRO_SECURITY_REMOTE_ADDRESS);
final Set<String> mappedRoles = evaluator.mapRoles(user, caller);
Expand Down
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