中危 ory fosite 输入验证不恰当
CVE编号
CVE-2020-15234利用情况
暂无补丁情况
官方补丁披露时间
2020-10-03漏洞描述
ORY Fosite is a security first OAuth2 & OpenID Connect framework for Go. In Fosite before version 0.34.1, the OAuth 2.0 Client's registered redirect URLs and the redirect URL provided at the OAuth2 Authorization Endpoint where compared using strings.ToLower while they should have been compared with a simple string match. This allows an attacker to register a client with allowed redirect URL https://example.com/callback. Then perform an OAuth2 flow and requesting redirect URL https://example.com/CALLBACK. Instead of an error (invalid redirect URL), the browser is redirected to https://example.com/CALLBACK with a potentially successful OAuth2 response, depending on the state of the overall OAuth2 flow (the user might still deny the request for example). This vulnerability has been patched in ORY Fosite v0.34.1.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://github.com/ory/fosite/commit/cdee51ebe721bfc8acca0fd0b86b030ca70867bf | |
| https://github.com/ory/fosite/security/advisories/GHSA-grfp-q2mm-hfp6 |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | ory | fosite | * | Up to (excluding) 0.34.1 | |||||
- 攻击路径 本地
- 攻击复杂度 困难
- 权限要求 普通权限
- 影响范围 有限影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-178 | 大小写敏感处理不恰当 |
| CWE-20 | 输入验证不恰当 |
| CWE-601 | 指向未可信站点的URL重定向（开放重定向） |
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