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地图 / The possibility that unintended file operation may be performed because some methods of `Dir` do not check NULL characters.

The possibility that unintended file operation may be performed because some methods of `Dir` do not check NULL characters.

访问控制 / 访问控制缺陷(通用) / #302338

厂商
Ruby
严重程度
未评级
赏金
—
弱点
访问控制缺陷(通用)
研究员
@ooooooo_q
披露日期
2018-04-01
资产
—
CVE
CVE-2018-8780

该报告还没有中文解读。

原文摘录

摘自原文(1038 字符中的一小部分)
It seems that `entries`,`new`, and `empty?` do not check NULL characters in methods of `Dir`.
原文中的代码
[vagrant@localhost ~]$ ls
test
[vagrant@localhost ~]$ irb
irb(main):001:0> Dir.open("/home/vagrant\0xxx") do |d|
irb(main):002:1* p d.read   # => "."
irb(main):003:1> p d.read   # => ".."
irb(main):004:1> p d.read
irb(main):005:1> p d.read
irb(main):006:1> end
"."
".."
".bash_logout" …

默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 Ruby 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @ooooooo_q · 版权归作者与 Ruby 所有

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