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BUUOJwp
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由 GitBook 提供支持
在本页
  • [极客大挑战 2019]Upload
  • 考点
  • wp
  • 小结
在GitHub上编辑
  1. 文件上传

[极客大挑战 2019]Upload

上一页[GXYCTF2019]BabyUpload下一页[ACTF2020 新生赛]Upload

最后更新于3年前

[极客大挑战 2019]Upload

考点

  • 文件上传绕过<?

  • 文件上传解析漏洞

wp

提交PHP文件

提交图片马

过滤后缀和<?，重新构造图片马

扫描出来upload目录，那文件保存在upload/123.jpg，接下来是如何让服务器解析，先试试各种后缀。上传.phtml发现成功，访问就可以getshell

小结

  1. 上传图片马无法解析，除了考虑.htaccess和.user.ini，还要考虑是否解析各种后缀