127 行
6.0 KiB
Markdown
127 行
6.0 KiB
Markdown
---
|
|
title: "CSV Injection in symfony/serializer"
|
|
system_id: "symfony"
|
|
category: "frameworks"
|
|
advisory_mode: "core"
|
|
published_date: "2021-11-24T21:01:23Z"
|
|
updated_date: "2026-03-13T21:59:52.395727Z"
|
|
severity: "low"
|
|
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:
|
|
- "BIT-symfony-2021-41270"
|
|
- "CVE-2021-41270"
|
|
- "GHSA-2xhg-w2g5-w95x"
|
|
affected_versions:
|
|
- "v5.0.0"
|
|
- "v5.0.1"
|
|
- "v5.0.10"
|
|
- "v5.0.11"
|
|
- "v5.0.2"
|
|
- "v5.0.3"
|
|
- "v5.0.4"
|
|
- "v5.0.5"
|
|
- "v5.0.6"
|
|
- "v5.0.7"
|
|
- "v5.0.8"
|
|
- "v5.0.9"
|
|
- "v5.1.0"
|
|
- "v5.1.0-BETA1"
|
|
- "v5.1.0-RC1"
|
|
- "v5.1.0-RC2"
|
|
- "v5.1.1"
|
|
- "v5.1.10"
|
|
- "v5.1.11"
|
|
- "v5.1.2"
|
|
fixed_versions:
|
|
- "5.3.12"
|
|
- "4.4.35"
|
|
secure_code_topics:
|
|
- "xss-output-encoding"
|
|
- "authz-server-side-recheck"
|
|
- "path-traversal-guard"
|
|
primary_source: "https://github.com/symfony/symfony/security/advisories/GHSA-2xhg-w2g5-w95x"
|
|
---
|
|
|
|
# CSV Injection in symfony/serializer
|
|
|
|
## 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: `symfony--CVE-2021-41270`
|
|
- 系统: `symfony`
|
|
- 严重度: `low`
|
|
- 来源置信度: `official`
|
|
- 官方主源: https://github.com/symfony/symfony/security/advisories/GHSA-2xhg-w2g5-w95x
|
|
- 影响版本: `v5.0.0, v5.0.1, v5.0.10, v5.0.11, v5.0.2, v5.0.3, v5.0.4, v5.0.5, v5.0.6, v5.0.7`
|
|
- 修复版本: `5.3.12, 4.4.35`
|
|
|
|
## 其他来源
|
|
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2021-41270
|
|
- https://github.com/symfony/symfony/pull/44243
|
|
- https://github.com/symfony/symfony/commit/3da6f2d45e7536ccb2a26f52fbaf340917e208a8
|
|
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/serializer/CVE-2021-41270.yaml
|
|
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2021-41270.yaml
|
|
- https://github.com/symfony/symfony
|
|
- https://github.com/symfony/symfony/releases/tag/v5.3.12
|
|
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BPT4SF6SIXFMZARDWED5T32J7JEH3EP
|
|
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QSREFD2TJT5LWKM6S4MD3W26NQQ5WJUP
|
|
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3BPT4SF6SIXFMZARDWED5T32J7JEH3EP
|
|
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QSREFD2TJT5LWKM6S4MD3W26NQQ5WJUP
|
|
- https://symfony.com/cve-2021-41270
|
|
|
|
## 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: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:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/javascript-typescript/path-traversal-guard.md)
|
|
- [nodejs:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/nodejs/path-traversal-guard.md)
|
|
- [java:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/java/path-traversal-guard.md)
|
|
- [php:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/php/path-traversal-guard.md)
|
|
- [python:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/python/path-traversal-guard.md)
|
|
- [ruby:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/ruby/path-traversal-guard.md)
|
|
- [csharp:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/csharp/path-traversal-guard.md)
|
|
- [go:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/go/path-traversal-guard.md)
|