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地图 / Ruby CVE-2021-41819: Cookie Prefix Spoofing in CGI::Cookie.parse

Ruby CVE-2021-41819: Cookie Prefix Spoofing in CGI::Cookie.parse

访问控制 / Reliance on Cookies without Validation and Integrity Checking in a Security Decision / #1464396

厂商
Internet Bug Bounty
严重程度
中危
赏金
$2,000
弱点
Reliance on Cookies without Validation and Integrity Checking in a Security Decision
研究员
@ooooooo_q
披露日期
2022-02-03
资产
https://github.com/ruby
CVE
CVE-2020-8184CVE-2021-41819

该报告还没有中文解读。

原文摘录

摘自原文(2082 字符中的一小部分)
Release note: https://www.ruby-lang.org/en/news/2021/11/24/cookie-prefix-spoofing-in-cgi-cookie-parse-cve-2021-41819/
原文中的代码
def self.parse(raw_cookie)
  cookies = Hash.new([])
  return cookies unless raw_cookie

  raw_cookie.split(/;\s?/).each do |pairs|
    name, values = pairs.split('=',2)
    next unless name and values
    name = CGI.unescape(name)
    values ||= ""
    values = values.split('&').collect{|v| …

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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 Internet Bug Bounty 所有

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