CVE编号
CVE-2021-23017利用情况
POC 已公开补丁情况
官方补丁披露时间
2021-05-26漏洞描述
F5 NGINX Controller是美国F5公司的一款用于NGINX的集中式监视和管理平台。该平台支持使用可视化界面管理多个NGINX实例。 F5 NGINX Controller存在安全漏洞，该漏洞允许攻击者从DNS服务器伪造UDP数据包造成1-byte的内存覆盖，导致工作进程崩溃或潜在的其他影响。解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://www.nginx.com/blog/updating-nginx-dns-resolver-vulnerability-cve-2021-23017/
参考链接 |
|
|---|---|
| http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html | |
| http://nginx.org/en/security_advisories.html | |
| https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad26... | |
| https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9... | |
| https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c... | |
| https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd68... | |
| https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e699... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.netapp.com/advisory/ntap-20210708-0006/ | |
| https://support.f5.com/csp/article/K12331123, | |
| https://www.oracle.com/security-alerts/cpujan2022.html | |
| https://www.oracle.com/security-alerts/cpuoct2021.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 | nginx | nginx | * |
Up to (including) 1.20.0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | nginx | * |
Up to (excluding) 1.18.0-3.1.al8.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | nginx | * |
Up to (excluding) 1.16.1-r3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | nginx | * |
Up to (excluding) 1.16.1-r7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | nginx | * |
Up to (excluding) 1.18.0-r2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | nginx | * |
Up to (excluding) 1.18.0-r14 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | nginx | * |
Up to (excluding) 1.20.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | nginx | * |
Up to (excluding) 1.20.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | nginx | * |
Up to (excluding) 1.20.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | nginx | * |
Up to (excluding) 1.18.0-1.43.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | nginx | * |
Up to (excluding) 1.16.1-2.module+el8.4.0+11155+68135136.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | nginx | * |
Up to (excluding) 1.14.2-2+deb10u4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | nginx | * |
Up to (excluding) 1.10.3-1+deb9u6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | nginx | * |
Up to (excluding) 1.20.1-2.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | nginx | * |
Up to (excluding) 1.20.1-2.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | nginx | * |
Up to (excluding) 1.20.1-1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | nginx | * |
Up to (excluding) 1.20.1-2.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | nginx | * |
Up to (excluding) 1.16.1-lp152.2.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | nginx | * |
Up to (excluding) 1.19.8-3.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | nginx | * |
Up to (excluding) 1.18.0-3.0.1.module+el8.4.0+20183+8c128c59.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | nginx | * |
Up to (excluding) 1.16.1-2.module+el8.4.0+11155+68135136.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | nginx | * |
Up to (excluding) 1.4.6-1ubuntu3.9+esm2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | nginx | * |
Up to (excluding) 1.4.6-1ubuntu3.9+esm2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | nginx | * |
Up to (excluding) 1.10.3-0ubuntu0.16.04.5+esm1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | nginx | * |
Up to (excluding) 1.14.0-0ubuntu1.9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | nginx | * |
Up to (excluding) 1.14.0-0ubuntu1.9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | nginx | * |
Up to (excluding) 1.18.0-0ubuntu1.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | nginx | * |
Up to (excluding) 1.18.0-6ubuntu8.2 |
|||||
- 攻击路径 远程
- 攻击复杂度 困难
- 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 无影响
- 服务器危害 无影响
- 全网数量 N/A
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