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websafe-kb/07-framework-security/frameworks/vite/cases/vite-cve-2023-34092.md

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---
title: "Vite Server Options (server.fs.deny) can be bypassed using double forward-slash (//)"
system_id: "vite"
category: "frameworks"
advisory_mode: "core"
published_date: "2023-06-06T02:01:39Z"
updated_date: "2024-08-09T19:14:57Z"
severity: "low"
exploit_status: "unknown"
source_confidence: "official"
verification_status: "triage-manual"
verification_mode: "synthetic"
artifact_mode: "official-source"
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-2023-34092"
- "GHSA-353f-5xf4-qw67"
affected_versions:
- "introduced=0, fixed<2.9.16"
- "introduced=3.0.2, fixed<3.2.7"
- "introduced=4.0.0, fixed<4.0.5"
- "introduced=4.1.0, fixed<4.1.5"
- "introduced=4.2.0, fixed<4.2.3"
- "introduced=4.3.0, fixed<4.3.9"
fixed_versions:
- "2.9.16"
- "3.2.7"
- "4.0.5"
- "4.1.5"
- "4.2.3"
- "4.3.9"
entity_refs:
- "vite:system:root-system"
- "vite--project--vite:project:affected-component"
secure_code_topics:
- "dependency-upgrade-policy"
- "file-upload-validation"
- "proxy-trust-boundary"
primary_source: "https://github.com/vitejs/vite/security/advisories/GHSA-353f-5xf4-qw67"
---
# Vite Server Options (server.fs.deny) can be bypassed using double forward-slash (//)
## 本地实证状态
- 实证状态: `triage-manual`
- 实证方式: `synthetic`
- Artifact 模式: `official-source`
- 最近运行: `-`
- 浏览器证据: `missing`
- Run Bundle: `-`
## 事件层
- Canonical ID: `vite--CVE-2023-34092`
- 系统: `vite`
- 严重度: `low`
- 来源置信度: `official`
- 官方主源: https://github.com/vitejs/vite/security/advisories/GHSA-353f-5xf4-qw67
- 影响版本: `introduced=0, fixed<2.9.16, introduced=3.0.2, fixed<3.2.7, introduced=4.0.0, fixed<4.0.5, introduced=4.1.0, fixed<4.1.5, introduced=4.2.0, fixed<4.2.3, introduced=4.3.0, fixed<4.3.9`
- 修复版本: `2.9.16, 3.2.7, 4.0.5, 4.1.5, 4.2.3, 4.3.9`
## 对象与版本映射
- Advisory Scope: `package`
- 影响对象: `vite`
- Entity Refs: `vite, vite--project--vite`
- 版本置信度: `high`
- 版本缺口: `-`
- 版本证据源: `https://github.com/vitejs/vite/security/advisories/GHSA-353f-5xf4-qw67, https://nvd.nist.gov/vuln/detail/CVE-2023-34092, https://github.com/vitejs/vite/pull/13348, https://github.com/vitejs/vite/commit/813ddd6155c3d54801e264ba832d8347f6f66b32, https://github.com/vitejs/vite`
## 受控验证流程
- Workflow ID: `vite--CVE-2023-34092--workflow`
- 漏洞家族: `proxy-boundary`
- 入口面: `proxy-header-or-trust-boundary`
- 需要角色: `reverse-proxy-or-edge-client`
- 触发向量: 对 `proxy-boundary` 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: `/middleware, /x-forwarded-* trust path`
- 输入形态: 提交受控代理头或来源头，验证信任边界和回源鉴权。
- 预期不安全行为: 仅凭代理头即可越过鉴权或来源控制。
## 其他来源
- https://nvd.nist.gov/vuln/detail/CVE-2023-34092
- https://github.com/vitejs/vite/pull/13348
- https://github.com/vitejs/vite/commit/813ddd6155c3d54801e264ba832d8347f6f66b32
- https://github.com/vitejs/vite
- https://security.snyk.io/package/npm/vite/3.2.0-beta.4
## 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
- 上游代理与应用层对 Content-Length / Transfer-Encoding / forwarded headers 的解释差异
### 补丁验证步骤
- 确认目标版本从 `introduced=0, fixed<2.9.16, introduced=3.0.2, fixed<3.2.7, introduced=4.0.0, fixed<4.0.5` 升级或回移到 `2.9.16`。
- 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 `proxy-boundary` 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:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/javascript-typescript/dependency-upgrade-policy.md)
- [nodejs:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/nodejs/dependency-upgrade-policy.md)
- [java:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/java/dependency-upgrade-policy.md)
- [php:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/php/dependency-upgrade-policy.md)
- [python:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/python/dependency-upgrade-policy.md)
- [ruby:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/ruby/dependency-upgrade-policy.md)
- [csharp:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/csharp/dependency-upgrade-policy.md)
- [go:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/go/dependency-upgrade-policy.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:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/javascript-typescript/proxy-trust-boundary.md)
- [nodejs:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/nodejs/proxy-trust-boundary.md)
- [java:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/java/proxy-trust-boundary.md)
- [php:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/php/proxy-trust-boundary.md)
- [python:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/python/proxy-trust-boundary.md)
- [ruby:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/ruby/proxy-trust-boundary.md)
- [csharp:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/csharp/proxy-trust-boundary.md)
- [go:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/go/proxy-trust-boundary.md)
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