低危 varnish-cache varnish_cache http请求的解释不一致性（http请求私运）
CVE编号
CVE-2021-36740利用情况
暂无补丁情况
官方补丁披露时间
2021-07-15漏洞描述
Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8.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。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 | varnish-cache | varnish_cache | * | From (including) 5.0.0 | Up to (including) 5.2.1 | ||||
| 运行在以下环境 | |||||||||
| 应用 | varnish-cache | varnish_cache | * | From (including) 6.0.0 | Up to (excluding) 6.0.8 | ||||
| 运行在以下环境 | |||||||||
| 应用 | varnish-cache | varnish_cache | * | From (including) 6.0.0 | Up to (including) 6.0.5 | ||||
| 运行在以下环境 | |||||||||
| 应用 | varnish-cache | varnish_cache | * | From (including) 6.0.0 | Up to (including) 6.0.7 | ||||
| 运行在以下环境 | |||||||||
| 应用 | varnish-cache | varnish_cache | * | From (including) 6.1.0 | Up to (including) 6.6.0 | ||||
| 运行在以下环境 | |||||||||
| 应用 | varnish-cache | varnish_cache | 6.0.8 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | varnish | * | Up to (excluding) 6.5.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | varnish | * | Up to (excluding) 6.5.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | varnish | * | Up to (excluding) 6.5.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | varnish | * | Up to (excluding) 6.6.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | varnish | * | Up to (excluding) 6.6.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | varnish | * | Up to (excluding) 6.6.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | varnish | * | Up to (excluding) 6.6.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | varnish | * | Up to (excluding) 6.6.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | varnish | * | Up to (excluding) 6.6.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | varnish-docs | * | Up to (excluding) 6.0.2-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8.2 | varnish-docs | * | Up to (excluding) 6.0.2-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | varnish | * | Up to (excluding) 0.15.0-4.module+el8+2481+4078e9d2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | varnish | * | Up to (excluding) 6.1.1-1+deb10u3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | varnish | * | Up to (excluding) 6.5.1-1+deb11u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | varnish | * | Up to (excluding) 6.5.2-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | varnish | * | Up to (including) 5.0.0-7+deb9u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | varnish | * | Up to (excluding) 6.5.2-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | varnish | * | Up to (excluding) 6.4.0-5.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33_Modular | varnish | * | Up to (excluding) 6.0-3320210717084350.601d93de | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | varnish | * | Up to (excluding) 6.5.2-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34_Modular | varnish | * | Up to (excluding) 6.0-3420210717084350.058368ca | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | varnish | * | Up to (excluding) 6.0.0-6.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | varnish | * | Up to (excluding) 6.0.0-9.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | varnish | * | Up to (excluding) 6.0.0-6.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | varnish | * | Up to (excluding) 6.0.0-9.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | libvarnishapi3 | * | Up to (excluding) 7.1.0-bp153.2.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 6.0.6-2.module+el8.4.0+20258+f99218b2.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | varnish | * | Up to (excluding) 0.15.0-4.module+el8+2481+4078e9d2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | varnish | * | Up to (excluding) 6.2.1-2ubuntu0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | varnish | * | Up to (excluding) 6.5.2-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_d | varnish | * | Up to (excluding) 6.1.1.1-deepin1 | |||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 无需权限
- 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 传输被破坏
- 服务器危害 DoS
- 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） |
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