CVE编号
CVE-2021-31810利用情况
暂无补丁情况
官方补丁披露时间
2021-07-13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 2.6.7及之前版本、2.7.0-2.7.3和3.0.0-3.0.1版本存在信息泄露漏洞。攻击者可利用该漏洞欺骗受害用户连接到恶意FTP服务器，获得敏感信息的访问权限。受影响系统： Ruby Ruby >= 3.0.0 Ruby Ruby >= 2.7.0 Ruby Ruby <= 3.0.1 Ruby Ruby <= 2.7.3 Ruby Ruby <= 2.6.7
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-2021-31810
参考链接 |
|
|---|---|
| https://hackerone.com/reports/1145454 | |
| https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.netapp.com/advisory/ntap-20210917-0001/ | |
| https://www.ruby-lang.org/en/news/2021/07/07/trusting-pasv-responses-in-net-ftp/ |
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 | * |
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 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 无影响
- 服务器危害 无影响
- 全网数量 N/A
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