低危 Ruby 至 2.2.7/2.3.4/2.4.1 generator.c 内存破坏漏洞
CVE编号
CVE-2017-14064利用情况
暂无补丁情况
官方补丁披露时间
2017-09-01漏洞描述
Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1可以在JSON.generate调用期间暴露任意内存。问题在于在ext / json / ext / generator / generator.c中使用strdup，它会在遇到'\0' 字节后停止，返回指向长度为零的字符串的指针，该字符串不是存储在space_len中的长度。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://bugs.ruby-lang.org/issues/13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) 2.2.7 | |||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | 2.3.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | 2.3.1 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | 2.3.2 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | 2.3.3 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | 2.3.4 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | 2.4.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | ruby-lang | ruby | 2.4.1 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.3 | ruby | * | Up to (excluding) 2.2.8-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.4 | ruby | * | Up to (excluding) 2.3.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.5 | ruby | * | Up to (excluding) 2.3.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.6 | ruby | * | Up to (excluding) 2.2.8-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.7 | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | ruby | * | Up to (excluding) 2.4.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | ruby24 | * | Up to (excluding) 2.4.5.2-1.9.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_7 | ruby1.9.1 | * | Up to (excluding) 1.9.3.194-8.1+deb7u6 | |||||
| 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+deb9u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_25 | rubygem-bigdecimal-1.2.8-64.fc25.x86_64.rpm ( | * | Up to (excluding) 2.3.4-64.fc25 | |||||
| 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 | ruby2.0 | * | Up to (excluding) 1.9.3.484-2ubuntu1.5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | ruby1.9.1 | * | Up to (excluding) 1.9.3.484-2ubuntu1.5 | |||||
| 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 | |||||
- 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-119 | 内存缓冲区边界内操作的限制不恰当 |
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