CVE编号
CVE-2021-32066利用情况
暂无补丁情况
官方补丁披露时间
2021-08-02漏洞描述
Ruby是松本行弘个人开发者的一种跨平台、面向对象的动态类型编程语言。 Ruby 2.6.0-2.6.7、2.7.0-2.7.3和3.0.0-3.0.1版本存在证书验证错误漏洞。该漏洞产生的原因是当StartTLS失败并返回未知响应时，Net::IMAP不会引发异常。攻击者可利用该漏洞利用借助客户端和注册表之间的网络位置来阻止StartTLS命令来绕过TLS保护，又名“StartTLS 剥离攻击”。受影响系统： Ruby Ruby >= 3.0.0 Ruby Ruby >= 2.7.0 Ruby Ruby >= 2.6.0 Ruby Ruby <= 3.0.1 Ruby Ruby <= 2.7.3 Ruby Ruby <= 2.6.7 Ruby Ruby <= 2.4.3
解决建议
目前厂商已经发布了升级补丁以修复这个安全问题，补丁获取链接：https://access.redhat.com/security/cve/cve-2021-32066
参考链接 |
|
|---|---|
| https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a | |
| https://hackerone.com/reports/1178562 | |
| https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html | |
| https://security.netapp.com/advisory/ntap-20210902-0004/ | |
| https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/ |
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 | ruby-lang | ruby | * |
From (including) 2.6.0 |
Up to (including) 2.6.7 |
||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | * |
From (including) 2.7.0 |
Up to (including) 2.7.3 |
||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | * |
From (including) 3.0.0 |
Up to (including) 3.0.1 |
||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | ruby | * |
Up to (excluding) 2.6.8-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | ruby | * |
Up to (excluding) 2.7.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | ruby | * |
Up to (excluding) 2.7.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | ruby | * |
Up to (excluding) 2.7.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | ruby | * |
Up to (excluding) 2.7.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | ruby | * |
Up to (excluding) 2.7.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | ruby | * |
Up to (excluding) 3.3.4-137.module+el8.4.0+12025+f744ca41 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | ruby | * |
Up to (excluding) 9.1.17.0-3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | ruby | * |
Up to (excluding) 2.7.3-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | ruby | * |
Up to (excluding) 1.7.26-1+deb9u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | ruby | * |
Up to (excluding) 9.1.17.0-3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33_Modular | ruby | * |
Up to (excluding) 2.7-3320210609104615.601d93de |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | ruby | * |
Up to (excluding) 3.0.2-149.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34_Modular | ruby | * |
Up to (excluding) 2.7-3420210609104615.058368ca |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | ruby | * |
Up to (excluding) 2.5.9-lp152.2.9.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | ruby | * |
Up to (excluding) 2.5.9-4.20.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | ruby | * |
Up to (excluding) 2.7.4-137.module+el8.4.0+20269+fcbf533e |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | ruby | * |
Up to (excluding) 0.5.3-1.module+el8.3.0+7192+4e3a532a |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | ruby | * |
Up to (excluding) 2.1.9-19.6.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | ruby | * |
Up to (excluding) 2.3.1-2~ubuntu16.04.16+esm1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | ruby | * |
Up to (excluding) 2.5.1-1ubuntu1.10 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | ruby | * |
Up to (excluding) 2.7.0-5ubuntu1.5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | ruby | * |
Up to (excluding) 2.7.2-4ubuntu1.2 |
|||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 全局影响
- 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
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