From f58a22382e31c0c4b92e519fa84f701a606981ac Mon Sep 17 00:00:00 2001

From: Bartosz Spyrko-Smietanko <bspyrkos@redhat.com>

Date: Thu, 16 Apr 2020 14:01:17 +0100

Subject: [PATCH] [RESTEASY-2559] Improper validation of response header in

 MediaTypeHeaderDelegate.java class

---

 .../plugins/delegates/MediaTypeHeaderDelegate.java |  1 +

 .../test/mediatype/MediaTypeHeaderTest.java        | 14 ++++++++++++++

 2 files changed, 15 insertions(+)

 create mode 100644 testsuite/unit-tests/src/test/java/org/jboss/resteasy/test/mediatype/MediaTypeHeaderTest.java

diff --git a/resteasy-jaxrs/src/main/java/org/jboss/resteasy/plugins/delegates/MediaTypeHeaderDelegate.java b/resteasy-jaxrs/src/main/java/org/jboss/resteasy/plugins/delegates/MediaTypeHeaderDelegate.java

index db0b4d588..b31d4376e 100755

--- a/resteasy-jaxrs/src/main/java/org/jboss/resteasy/plugins/delegates/MediaTypeHeaderDelegate.java

+++ b/resteasy-jaxrs/src/main/java/org/jboss/resteasy/plugins/delegates/MediaTypeHeaderDelegate.java

@@ -89,6 +89,7 @@ public class MediaTypeHeaderDelegate implements RuntimeDelegate.HeaderDelegate

             case '[':

             case ']':

             case '=':

+            case '\n':

                return false;

             default:

                break;

diff --git a/testsuite/unit-tests/src/test/java/org/jboss/resteasy/test/mediatype/MediaTypeHeaderTest.java b/testsuite/unit-tests/src/test/java/org/jboss/resteasy/test/mediatype/MediaTypeHeaderTest.java

new file mode 100644

index 000000000..e46f018f7

--- /dev/null

+++ b/testsuite/unit-tests/src/test/java/org/jboss/resteasy/test/mediatype/MediaTypeHeaderTest.java

@@ -0,0 +1,14 @@

+package org.jboss.resteasy.test.mediatype;

+

+import org.jboss.resteasy.plugins.delegates.MediaTypeHeaderDelegate;

+import org.junit.Test;

+

+public class MediaTypeHeaderTest {

+

+   @Test(expected = IllegalArgumentException.class)

+   public void testNewLineInHeaderValueIsRejected() {

+      MediaTypeHeaderDelegate delegate = new MediaTypeHeaderDelegate();

+

+      delegate.fromString("foo/bar\n");

+   }

+}

-- 

2.26.2