中危 Ruby 缓冲区错误漏洞
CVE编号
CVE-2021-41816利用情况
暂无补丁情况
官方补丁披露时间
2021-11-29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 3.0.3之前版本存在缓冲区错误漏洞，该漏洞源于在传递非常大的数据时会导致缓冲区溢出字符串（＞700 MB）到CGI.escape_html。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.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/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 | cgi | * | Up to (excluding) 0.3.1 | |||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | cgi | * | Up to (including) 0.1.0 | |||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | cgi | * | Up to (including) 0.2.0 | |||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | * | From (including) 2.7.0 | Up to (excluding) 2.7.5 | ||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | * | From (including) 3.0.0 | Up to (excluding) 3.0.3 | ||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | ruby | * | Up to (excluding) 2.7.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | ruby | * | Up to (excluding) 2.7.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | ruby | * | Up to (excluding) 2.7.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | ruby | * | Up to (excluding) 3.0.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | ruby | * | Up to (excluding) 3.0.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | ruby | * | Up to (excluding) 3.0.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | ruby | * | Up to (excluding) 3.0.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | ruby | * | Up to (excluding) 3.0.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | ruby | * | Up to (excluding) 3.0.0-154.amzn2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | ruby2.5 | * | Up to (excluding) 2.5.5-3+deb10u4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | ruby2.7 | * | Up to (excluding) 2.7.4-1+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | ruby2.7 | * | Up to (including) 2.7.4-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | ruby2.3 | * | Up to (including) 2.3.3-1+deb9u8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | ruby3.0 | * | Up to (including) 3.0.2-7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | rubygem-psych-3.3.2-153.fc34.i686.rpm ( | * | Up to (excluding) 3.0.4-153.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | rubygem-bigdecimal-3.0.0-153.fc35.armv7hl.rpm ( | * | Up to (excluding) 3.0.4-153.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | ruby2.7 | * | Up to (excluding) 2.7.0-5ubuntu1.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | ruby2.7 | * | Up to (excluding) 2.7.2-4ubuntu1.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | ruby2.7 | * | Up to (excluding) 2.7.4-1ubuntu3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | ruby3.0 | * | Up to (excluding) 3.0.2-7ubuntu2 | |||||
- 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 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
| CWE-ID | 漏洞类型 |
| CWE-190 | 整数溢出或超界折返 |
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