Limit maximum number of arguments for apply(). (#2183)

The length*sizeof(ecma_value_t) may overflow on 32 bit systems which
cause a memory corruption when the values are filled.

Fixes #2182.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com

jerry-core/ecma/builtin-objects/ecma-builtin-function-prototype.c

@@ -43,6 +43,11 @@
  * @{
  */
 
+/**
+ * Maximum number of arguments for an apply function.
+ */
+#define ECMA_FUNCTION_APPLY_ARGUMENT_COUNT_LIMIT 65535
+
 /**
  * The Function.prototype object's 'toString' routine
  *
@@ -122,6 +127,12 @@ ecma_builtin_function_prototype_object_apply (ecma_value_t this_arg, /**< this a
         /* 5. */
         const uint32_t length = ecma_number_to_uint32 (length_number);
 
+        if (length >= ECMA_FUNCTION_APPLY_ARGUMENT_COUNT_LIMIT)
+        {
+          ret_value = ecma_raise_range_error (ECMA_ERR_MSG ("Too many arguments declared for Function.apply()."));
+        }
+        else
+        {
           /* 6. */
           JMEM_DEFINE_LOCAL_ARRAY (arguments_list_p, length, ecma_value_t);
           uint32_t last_index = 0;
@@ -159,6 +170,7 @@ ecma_builtin_function_prototype_object_apply (ecma_value_t this_arg, /**< this a
           }
 
           JMEM_FINALIZE_LOCAL_ARRAY (arguments_list_p);
+        }
 
         ECMA_OP_TO_NUMBER_FINALIZE (length_number);
         ECMA_FINALIZE (length_value);

tests/jerry/regression-test-issue-2182.js

@@ -0,0 +1,28 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+function test(len)
+{
+  function applyTest() { }
+  try {
+    applyTest.apply(null, { length : len });
+    assert(false);
+  } catch (e) {
+    assert(e instanceof RangeError);
+  }
+}
+
+test(65536);
+test(0x40000001);
+test(0xffffffff);