CVE编号
CVE-2021-40346利用情况
POC 已公开补丁情况
官方补丁披露时间
2021-09-09漏洞描述
HAProxy 是一款提供高可用性、负载均衡以及基于TCP（第四层）和HTTP（第七层）应用的代理软件。 HAProxy 存在整数溢出漏洞，攻击者可以绕过对重复 HTTP Content-Length标头的检查，从而允许请求走私攻击或响应拆分攻击。影响版本： 2.0.0<= haproxy <2.0.25 2.2.0<= haproxy <2.2.17 2.3.0<= haproxy <2.3.14 2.4.0<= haproxy <2.4.4
修复版本： 2.0.25 2.2.17 2.3.14 2.4.4
解决建议
建议将该软件升级至修复版本或最新版本。
参考链接 |
|
|---|---|
| https://git.haproxy.org/?p=haproxy.git | |
| https://github.com/haproxy/haproxy/commit/3b69886f7dcc3cfb3d166309018e6cfec9ce2c95 | |
| https://jfrog.com/blog/critical-vulnerability-in-haproxy-cve-2021-40346-integ... | |
| https://lists.apache.org/thread.html/r284567dd7523f5823e2ce995f787ccd37b1cc41... | |
| https://lists.apache.org/thread.html/r8a58fd7a29808e5d27ee56877745e58dc4bb041... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://www.debian.org/security/2021/dsa-4968 | |
| https://www.haproxy.com/blog/september-2021-duplicate-content-length-header-fixed/ | |
| https://www.mail-archive.com/[email protected] | |
| https://www.mail-archive.com/[email protected]/msg41114.html |
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 | haproxy | haproxy | * |
From (including) 2.0.0 |
Up to (excluding) 2.0.25 |
||||
| 运行在以下环境 | |||||||||
| 应用 | haproxy | haproxy | * |
From (including) 2.2.0 |
Up to (excluding) 2.2.17 |
||||
| 运行在以下环境 | |||||||||
| 应用 | haproxy | haproxy | * |
From (including) 2.3.0 |
Up to (excluding) 2.3.14 |
||||
| 运行在以下环境 | |||||||||
| 应用 | haproxy | haproxy | * |
From (including) 2.4.0 |
Up to (excluding) 2.4.4 |
||||
| 运行在以下环境 | |||||||||
| 应用 | haproxy | haproxy | 2.5 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 11.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | haproxy | * |
Up to (excluding) 2.2.9-2+deb11u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | haproxy | * |
Up to (excluding) 2.2.16-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | haproxy | * |
Up to (excluding) 2.2.17-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | haproxy | * |
Up to (excluding) 2.3.14-1.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | haproxy | * |
Up to (excluding) 2.0.14-lp152.2.6.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | haproxy | * |
Up to (excluding) 2.0.14-11.11.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | haproxy | * |
Up to (excluding) 2.0.13-2ubuntu0.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | haproxy | * |
Up to (excluding) 2.2.9-1ubuntu0.2 |
|||||
- 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 全局影响
- EXP成熟度 POC 已公开
- 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 无影响
- 全网数量 N/A
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