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websafe-kb/07-framework-security/frameworks/rails/cases/rails-cve-2009-4214.md

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---
title: "Moderate severity vulnerability that affects rails"
system_id: "rails"
category: "frameworks"
advisory_mode: "core"
published_date: "2017-10-24T18:33:38Z"
updated_date: "2025-04-09T20:05:53.148849Z"
severity: "medium"
exploit_status: "unknown"
source_confidence: "official"
verification_status: "triage-manual"
verification_mode: "synthetic"
artifact_mode: "synthetic"
last_run_id: ""
target_types:
- "lab-local"
- "lab-public"
- "authorized-third-party"
allow_public_validation: "yes, with ownership or explicit authorization"
authorization_prerequisite: "asset ownership proof or explicit written authorization"
minimal_validation: "read-only probe, controlled payload, reversible test"
aliases:
- "CVE-2009-4214"
- "GHSA-9p3v-wf2w-v29c"
affected_versions:
- "0.10.0"
- "0.10.1"
- "0.11.0"
- "0.11.1"
- "0.12.0"
- "0.12.1"
- "0.13.0"
- "0.13.1"
- "0.14.1"
- "0.14.2"
- "0.14.3"
- "0.14.4"
- "0.8.0"
- "0.8.5"
- "0.9.0"
- "0.9.1"
- "0.9.2"
- "0.9.3"
- "0.9.4"
- "0.9.4.1"
fixed_versions:
- "2.2.2"
- "2.3.5"
entity_refs:
- "rails:system:root-system"
- "rails--project--rails:project:affected-component"
secure_code_topics:
- "xss-output-encoding"
- "file-upload-validation"
- "authz-server-side-recheck"
- "token-cookie-storage"
primary_source: "https://nvd.nist.gov/vuln/detail/CVE-2009-4214"
---
# Moderate severity vulnerability that affects rails
## 本地实证状态
- 实证状态: `triage-manual`
- 实证方式: `synthetic`
- Artifact 模式: `synthetic`
- 最近运行: `-`
- 浏览器证据: `missing`
- Run Bundle: `-`
## 事件层
- Canonical ID: `rails--CVE-2009-4214`
- 系统: `rails`
- 严重度: `medium`
- 来源置信度: `official`
- 官方主源: https://nvd.nist.gov/vuln/detail/CVE-2009-4214
- 影响版本: `0.10.0, 0.10.1, 0.11.0, 0.11.1, 0.12.0, 0.12.1, 0.13.0, 0.13.1, 0.14.1, 0.14.2`
- 修复版本: `2.2.2, 2.3.5`
## 对象与版本映射
- Advisory Scope: `package`
- 影响对象: `rails`
- Entity Refs: `rails, rails--project--rails`
- 版本置信度: `high`
- 版本缺口: `-`
- 版本证据源: `https://nvd.nist.gov/vuln/detail/CVE-2009-4214, http://github.com/rails/rails/commit/bfe032858077bb2946abe25e95e485ba6da86bd5, https://github.com/advisories/GHSA-9p3v-wf2w-v29c, https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails/CVE-2009-4214.yml, http://github.com/rails/rails`
## 受控验证流程
- Workflow ID: `rails--CVE-2009-4214--workflow`
- 漏洞家族: `xss`
- 入口面: `web-ui-render-path`
- 需要角色: `editor-or-admin`
- 触发向量: 对 `xss` 家族入口投递最小化、可审计、可回滚的受控输入，比较修复前后差异。
- 请求/页面入口: `/admin/editor, /preview, /rendered-content`
- 输入形态: 受控 HTML/Markdown/富文本输入，观察渲染上下文是否失去编码或净化。
- 预期不安全行为: 输入在目标上下文执行或被浏览器解释为主动内容。
## 其他来源
- http://github.com/rails/rails/commit/bfe032858077bb2946abe25e95e485ba6da86bd5
- https://github.com/advisories/GHSA-9p3v-wf2w-v29c
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails/CVE-2009-4214.yml
- http://github.com/rails/rails
- http://groups.google.com/group/rubyonrails-security/browse_thread/thread/4d4f71f2aef4c0ab?pli=1
- http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
- http://secunia.com/advisories/37446
- http://secunia.com/advisories/38915
- http://support.apple.com/kb/HT4077
- http://weblog.rubyonrails.org/2009/11/30/ruby-on-rails-2-3-5-released
- http://www.debian.org/security/2011/dsa-2260
- http://www.debian.org/security/2011/dsa-2301
- http://www.openwall.com/lists/oss-security/2009/11/27/2
- http://www.openwall.com/lists/oss-security/2009/12/08/3
- http://www.securityfocus.com/bid/37142
- http://www.securitytracker.com/id?1023245
- http://www.vupen.com/english/advisories/2009/3352
## 证据点与补丁验证
### 服务端证据点
- 应用日志中的命中路径、鉴权决策和异常栈
- 反向代理或边界层日志中的请求头、来源 IP 与路由决策
### 浏览器证据点
- 基线截图与攻击后截图的 DOM/视觉差异
- console、network 与 response metadata 中的异常信号
### 数据库/文件系统证据点
- 数据库中新增/越权读取的测试数据
- 文件系统中新增上传样本、缓存条目或越权读取痕迹
### 检测信号
- WAF / reverse proxy 异常日志、访问日志和告警
- 应用审计日志中的权限错误、重定向异常、模板渲染或上传落盘事件
### 补丁验证步骤
- 确认目标版本从 `0.10.0, 0.10.1, 0.11.0` 升级或回移到 `2.2.2`。
- 保留同一组受控输入，在修复前后分别执行并比对响应、日志与浏览器证据。
- 确认修复后仅保留预期业务行为，不再触发越权、回显、异常渲染或错误请求。
- 补充 `xss` 族自动化回归，避免同类路径在插件、主题或代理链中回归。
### 实验安全备注
- 只使用回环地址、哨兵目标、无害样本或可回滚测试数据。
- 禁止造成持久破坏、越权下载真实数据或不可回滚 side effect。
- 如需浏览器证据，保留 baseline / proof 两份快照以及 console / network 记录。
## 实验层
- 仅用于自有资产、测试环境或已明确授权目标。
- 允许公网可达目标，但必须满足资产归属或明确授权前提。
- 最小化验证方式: 最小化验证、只读探测、可审计回显、受控注入。
- 若该案例涉及插件、模块或扩展，应同时检查供应链与升级策略。
- 禁止场景: 无归属证明或无明确授权的公网目标；知名公共网站或与测试无关的第三方资产；会造成持久破坏、数据越权下载或不可回滚影响的动作
## 修复示例
- [javascript-typescript:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/javascript-typescript/xss-output-encoding.md)
- [nodejs:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/nodejs/xss-output-encoding.md)
- [java:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/java/xss-output-encoding.md)
- [php:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/php/xss-output-encoding.md)
- [python:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/python/xss-output-encoding.md)
- [ruby:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/ruby/xss-output-encoding.md)
- [csharp:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/csharp/xss-output-encoding.md)
- [go:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/go/xss-output-encoding.md)
- [javascript-typescript:file-upload-validation](/Users/x/websafe/05-defense/secure-code/javascript-typescript/file-upload-validation.md)
- [nodejs:file-upload-validation](/Users/x/websafe/05-defense/secure-code/nodejs/file-upload-validation.md)
- [java:file-upload-validation](/Users/x/websafe/05-defense/secure-code/java/file-upload-validation.md)
- [php:file-upload-validation](/Users/x/websafe/05-defense/secure-code/php/file-upload-validation.md)
- [python:file-upload-validation](/Users/x/websafe/05-defense/secure-code/python/file-upload-validation.md)
- [ruby:file-upload-validation](/Users/x/websafe/05-defense/secure-code/ruby/file-upload-validation.md)
- [csharp:file-upload-validation](/Users/x/websafe/05-defense/secure-code/csharp/file-upload-validation.md)
- [go:file-upload-validation](/Users/x/websafe/05-defense/secure-code/go/file-upload-validation.md)
- [javascript-typescript:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/javascript-typescript/authz-server-side-recheck.md)
- [nodejs:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/nodejs/authz-server-side-recheck.md)
- [java:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/java/authz-server-side-recheck.md)
- [php:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/php/authz-server-side-recheck.md)
- [python:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/python/authz-server-side-recheck.md)
- [ruby:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/ruby/authz-server-side-recheck.md)
- [csharp:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/csharp/authz-server-side-recheck.md)
- [go:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/go/authz-server-side-recheck.md)
- [javascript-typescript:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/javascript-typescript/token-cookie-storage.md)
- [nodejs:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/nodejs/token-cookie-storage.md)
- [java:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/java/token-cookie-storage.md)
- [php:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/php/token-cookie-storage.md)
- [python:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/python/token-cookie-storage.md)
- [ruby:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/ruby/token-cookie-storage.md)
- [csharp:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/csharp/token-cookie-storage.md)
- [go:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/go/token-cookie-storage.md)
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