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Posted to common-commits@hadoop.apache.org by bi...@apache.org on 2019/09/05 20:58:45 UTC

[hadoop] branch branch-3.2 updated: YARN-9718. Fixed yarn.service.am.java.opts shell injection. Contributed by Eric Yang

This is an automated email from the ASF dual-hosted git repository.

billie pushed a commit to branch branch-3.2
in repository https://gitbox.apache.org/repos/asf/hadoop.git


The following commit(s) were added to refs/heads/branch-3.2 by this push:
     new 6662774  YARN-9718. Fixed yarn.service.am.java.opts shell injection. Contributed by Eric Yang
6662774 is described below

commit 66627749d0543d67588775f45ac215767b950257
Author: Billie Rinaldi <bi...@apache.org>
AuthorDate: Thu Sep 5 12:49:16 2019 -0700

    YARN-9718. Fixed yarn.service.am.java.opts shell injection. Contributed by Eric Yang
    
    (cherry picked from commit 2e2e5401f297545181323b126a69eaa2239afb02)
---
 .../org/apache/hadoop/yarn/service/client/ServiceClient.java |  3 +++
 .../hadoop/yarn/service/exceptions/RestApiErrorMessages.java |  1 +
 .../org/apache/hadoop/yarn/service/utils/ServiceApiUtil.java | 12 ++++++++++++
 .../apache/hadoop/yarn/service/utils/TestServiceApiUtil.java |  6 ++++++
 4 files changed, 22 insertions(+)

diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/client/ServiceClient.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/client/ServiceClient.java
index f3b5d62..92de814 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/client/ServiceClient.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/client/ServiceClient.java
@@ -1064,6 +1064,9 @@ public class ServiceClient extends AppAdminClient implements SliderExitCodes,
       jvmOpts += DEFAULT_AM_JVM_XMX;
     }
 
+    // validate possible command injection.
+    ServiceApiUtil.validateJvmOpts(jvmOpts);
+
     CLI.setJVMOpts(jvmOpts);
     if (hasSliderAMLog4j) {
       CLI.sysprop(SYSPROP_LOG4J_CONFIGURATION, YARN_SERVICE_LOG4J_FILENAME);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/exceptions/RestApiErrorMessages.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/exceptions/RestApiErrorMessages.java
index 57c6449..295f14a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/exceptions/RestApiErrorMessages.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/exceptions/RestApiErrorMessages.java
@@ -127,4 +127,5 @@ public interface RestApiErrorMessages {
       " not contain a hostname.";
   String ERROR_KERBEROS_PRINCIPAL_MISSING = "Kerberos principal or keytab is" +
       " missing.";
+  String ERROR_JVM_OPTS = "Invalid character in yarn.service.am.java.opts.";
 }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/utils/ServiceApiUtil.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/utils/ServiceApiUtil.java
index ba43e35..e17c31a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/utils/ServiceApiUtil.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/utils/ServiceApiUtil.java
@@ -63,6 +63,8 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 import static org.apache.hadoop.yarn.service.exceptions.RestApiErrorMessages.ERROR_COMP_DOES_NOT_NEED_UPGRADE;
 import static org.apache.hadoop.yarn.service.exceptions.RestApiErrorMessages.ERROR_COMP_INSTANCE_DOES_NOT_NEED_UPGRADE;
@@ -242,6 +244,16 @@ public class ServiceApiUtil {
     }
   }
 
+  public static void validateJvmOpts(String jvmOpts)
+      throws IllegalArgumentException {
+    Pattern pattern = Pattern.compile("[!~#?@*&%${}()<>\\[\\]|\"\\/,`;]");
+    Matcher matcher = pattern.matcher(jvmOpts);
+    if (matcher.find()) {
+      throw new IllegalArgumentException(
+          RestApiErrorMessages.ERROR_JVM_OPTS);
+    }
+  }
+
   public static void validateKerberosPrincipal(
       KerberosPrincipal kerberosPrincipal) throws IOException {
     if (!StringUtils.isEmpty(kerberosPrincipal.getPrincipalName())) {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/utils/TestServiceApiUtil.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/utils/TestServiceApiUtil.java
index 2bf59b8..ad01421 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/utils/TestServiceApiUtil.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/utils/TestServiceApiUtil.java
@@ -765,6 +765,12 @@ public class TestServiceApiUtil extends ServiceTestUtils {
     Assert.assertTrue(thread.isAlive());
   }
 
+  @Test(expected = IllegalArgumentException.class)
+  public void testJvmOpts() {
+    String jvmOpts = "`ping -c 3 example.com`";
+    ServiceApiUtil.validateJvmOpts(jvmOpts);
+  }
+
   public static Service createExampleApplication() {
 
     Service exampleApp = new Service();


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