中危 redhat undertow http请求的解释不一致性（http请求私运）
CVE编号
CVE-2021-20220利用情况
暂无补丁情况
官方补丁披露时间
2021-02-24漏洞描述
A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.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://bugzilla.redhat.com/show_bug.cgi?id=1923133 | |
| https://security.netapp.com/advisory/ntap-20220210-0013/ |
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 | redhat | undertow | * | Up to (excluding) 2.0.34 | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | undertow | * | From (including) 2.1.0 | Up to (excluding) 2.1.6 | ||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | undertow | * | Up to (excluding) 2.2.0-1 | |||||
- 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 N/A
- 服务器危害 无影响
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-444 | HTTP请求的解释不一致性（HTTP请求私运） |
Exp相关链接
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