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地图 / ReDoS (Rails::Html::PermitScrubber.scrub_attribute)

ReDoS (Rails::Html::PermitScrubber.scrub_attribute)

拒绝服务 / Unlabeled / #1684163

厂商
Ruby on Rails
严重程度
未评级
赏金
—
弱点
Unlabeled
研究员
@ooooooo_q
披露日期
2023-01-02
资产
https://github.com/rails/rails
CVE
CVE-2022-23514CVE-2022-23517

该报告还没有中文解读。

原文摘录

摘自原文(1917 字符中的一小部分)
I have confirmed that ReDoS occurs on `Rails::Html::PermitScrubber.scrub_attribute`.
原文中的代码
      def scrub_attribute(node, attr_node)
        attr_name = if attr_node.namespace
                      "#{attr_node.namespace.prefix}:#{attr_node.node_name}"
                    else
                      attr_node.node_name
                    end

        ...
        if …

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 on Rails 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 on Rails 所有

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