kb: expand authorized lab coverage and intel automation
这个提交包含在:
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---
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title: "Axios absolute URL handling SSRF mapping"
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published_date: "2025-03-07"
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affected_versions:
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- ">= 1.0.0, < 1.8.2"
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- ">= 0.8.1, < 0.30.0"
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fixed_versions:
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- "1.8.2"
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- "0.30.0"
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severity: "high"
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exploit_status: "See official advisory; treat as SSRF-prone request construction bug"
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stack:
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- "Axios"
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- "Node.js"
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- "frontend-backend bridge"
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attack_type:
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- "ssrf"
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primary_source: "https://github.com/axios/axios/security/advisories/GHSA-jr5f-v2jv-69x6"
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secondary_sources: []
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target_types:
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- "lab-local"
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- "lab-public"
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- "authorized-third-party"
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public_target_allowed: true
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authorization_required: true
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minimum_validation: "Use a lab service that joins user input with baseURL and validate only against controlled endpoints."
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prohibited_use: "Do not turn this into arbitrary external SSRF probing."
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---
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# Axios 绝对 URL / 协议相对 URL SSRF 映射
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## 事件层
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- 官方来源: [GHSA-jr5f-v2jv-69x6](https://github.com/axios/axios/security/advisories/GHSA-jr5f-v2jv-69x6)
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- 发布时间: 2025-03-07
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- 影响范围: 1.0.0 至 1.8.2 之前,0.8.1 至 0.30.0 之前
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- 修复版本: 1.8.2、0.30.0
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该问题的核心是:应用以为 `baseURL` 限定了请求目标,但当调用方允许用户传入绝对 URL 或协议相对 URL 时,实际请求可能被重定向到意料之外的位置。
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## 实验层
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### 适用目标类型
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- `lab-local`
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- `lab-public`
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- `authorized-third-party`
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### 实验思路
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1. 构造一个测试服务,内部代码类似 `axios.get(userInput, { baseURL: "http://internal-api.test" })`。
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2. 在隔离环境中把 `userInput` 分别替换为相对路径、绝对 URL 和协议相对 URL。
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3. 仅将目标指向你方控制的测试接收器,以验证请求是否越过预期边界。
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4. 升级到修复版本后再次比对行为,并决定是否显式设置 `allowAbsoluteUrls`。
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### 推荐的最小化验证
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- 所有验证都指向你方控制的测试接收器,而不是外部第三方站点。
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- 只记录是否越界、请求头差异和最终请求目的地。
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- 如果应用位于公网测试环境,优先在 staging 或隔离租户中复现。
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### 观测点
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- `baseURL` 是否被绝对 URL 或 `//host/path` 绕过
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- 服务端转发层、代理层和 allowlist 是否进一步放大风险
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- 是否有令牌、内部头或源地址信息随请求一并泄露
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## 回填建议
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- 将命中的代码模式加入依赖审查清单。
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- 对内部 HTTP 客户端封装统一限制“绝对 URL 输入”和“协议相对 URL”。
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---
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title: "Next.js middleware authorization bypass mapping"
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published_date: "2025-03-21"
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affected_versions:
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- ">= 11.1.4, < 13.5.9"
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- ">= 14.0.0, < 14.2.25"
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- ">= 15.0.0, < 15.2.3"
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fixed_versions:
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- "13.5.9"
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- "14.2.25"
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- "15.2.3"
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severity: "critical"
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exploit_status: "See official advisory; treat as high-priority authorization bypass"
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stack:
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- "Next.js"
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- "middleware"
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attack_type:
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- "authorization bypass"
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primary_source: "https://github.com/vercel/next.js/security/advisories/GHSA-f82v-jwr5-mffw"
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secondary_sources: []
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target_types:
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- "lab-local"
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- "lab-public"
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- "authorized-third-party"
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public_target_allowed: true
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authorization_required: true
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minimum_validation: "Use an isolated vulnerable app and compare unauthorized access behavior before and after upgrading."
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prohibited_use: "Do not try bypass paths against unowned or unapproved public deployments."
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---
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# Next.js 中间件授权绕过映射
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## 事件层
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- 官方来源: [GHSA-f82v-jwr5-mffw](https://github.com/vercel/next.js/security/advisories/GHSA-f82v-jwr5-mffw)
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- 发布时间: 2025-03-21
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- 影响范围: 11.1.4 至 13.5.9 之前,14.0.0 至 14.2.25 之前,15.0.0 至 15.2.3 之前
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- 修复版本: 13.5.9、14.2.25、15.2.3
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该事件的关键点不是“某个单一路径绕过技巧”,而是把授权逻辑放在 Next.js middleware 中时,路径匹配、标准化或边界处理一旦出问题,就可能让前置授权失效。
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## 实验层
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### 适用目标类型
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- `lab-local`
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- `lab-public`
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- `authorized-third-party`
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### 实验思路
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1. 在隔离环境部署一个存在受保护路由的 Next.js 应用,例如 `/admin` 完全依赖 middleware 做访问控制。
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2. 保持后端业务处理层不做二次鉴权,以便观察“只靠 middleware”时的风险。
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3. 在易受影响版本与修复版本之间对比未授权访问表现。
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4. 把请求路径、重定向、状态码、缓存行为和服务端日志写入测试记录。
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### 推荐的最小化验证
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- 仅使用未授权访问对受保护路由做行为对比。
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- 只在实验环境或明确授权目标上复现官方公告所述边界问题。
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- 验证完成后立即升级到修复版本,并补上服务端二次鉴权。
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### 观测点
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- 仅依赖 middleware 保护的路由是否能被未授权访问
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- 反向代理、缓存层或重写规则是否放大了边界问题
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- 升级后是否仍存在“前置鉴权失效、后端无兜底”的设计风险
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## 回填建议
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- 若案例命中,应在 [测试记录模板](/Users/x/websafe/09-scope-and-targeting/test-record-template.md) 中记录修复前后差异。
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- 在 [08-threat-intel](/Users/x/websafe/08-threat-intel/subscription-catalog.md) 中把 Next.js 官方安全公告列为高优先级订阅源。
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