低危 代码执行漏洞
CVE编号
CVE-2017-17790利用情况
暂无补丁情况
官方补丁披露时间
2017-12-20漏洞描述
Ruby through 2.4.3中的lib / resolv.rb中的lazy_initialize函数使用Kernel＃open，这可能允许命令注入攻击，如Resolv :: Hosts :: new参数所示，以“|”字符开头，这是与CVE-2017-17405不同的漏洞。注意：输入不受信任的情况可能性很小。解决建议
厂商已发布漏洞修复程序，请及时关注更新：https://github.com/ruby/ruby/pull/1777/commits/2267e0e785df88744f071957f62e0af4c91f4a1e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) 2.2 | Up to (including) 2.2.8 | ||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | * | From (including) 2.3 | Up to (including) 2.3.5 | ||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | * | From (including) 2.4 | Up to (including) 2.4.2 | ||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | 2.5.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | ruby | * | Up to (excluding) 0.4.2-33.amzn2.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | ruby20 | * | Up to (excluding) 2.0.8.1-1.11.amzn1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | ruby | * | Up to (excluding) 2.0.14.1-33.el7_4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | ruby2.5 | * | Up to (excluding) 2.5.0-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | ruby1.8 | * | Up to (excluding) 1.8.7.358-7.1+deb7u5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | ruby2.1 | * | Up to (excluding) 2.1.5-2+deb8u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | ruby2.3 | * | Up to (excluding) 2.3.3-1+deb9u3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_26 | rubygem-psych-2.2.2-87.fc26.armv7hl.rpm ( | * | Up to (excluding) 2.4.3-87.fc26 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | rubygem-minitest-5.10.1-87.fc27.noarch.rpm ( | * | Up to (excluding) 2.4.3-87.fc27 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | oraclelinux-release | * | Up to (excluding) 2.0.0.648-33.el7_4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | ruby | * | Up to (excluding) 4.0.0-33.el7_4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | libruby2_1-2_1 | * | Up to (excluding) 2.1.9-19.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP4 | ruby2.1 | * | Up to (excluding) 2.1.9-19.3.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | ruby2.1 | * | Up to (excluding) 2.1.9-19.3.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | ruby1.9.1 | * | Up to (excluding) 1.9.3.484-2ubuntu1.7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | ruby1.9.1 | * | Up to (excluding) 1.9.3.484-2ubuntu1.7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | ruby2.3 | * | Up to (excluding) 2.3.1-2~16.04.5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | ruby2.3 | * | Up to (excluding) 2.3.1-2~16.04.5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | ruby2.5 | * | Up to (excluding) 2.5.1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | ruby2.5 | * | Up to (excluding) 2.5.1-1 | |||||
- 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 100
| CWE-ID | 漏洞类型 |
| CWE-74 | 输出中的特殊元素转义处理不恰当（注入） |
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