低危 node core 缓冲区错误漏洞
CVE编号
CVE-2020-8252利用情况
暂无补丁情况
官方补丁披露时间
2020-09-19漏洞描述
Node.js中使用的libuv <10.22.1，<12.18.4和<14.9.0中的realpath实现错误地确定了缓冲区大小，如果解析路径的长度超过256个字节，则可能导致缓冲区溢出。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://nodejs.org/en/blog/vulnerability/september-2020-security-releases/#denial-of-service-by-resource-exhaustion-cwe-400-due-to-unfinished-http-1-1-requests-critical-cve-2020-8251
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 | nodejs | node.js | * | From (including) 10.0.0 | Up to (excluding) 10.22.1 | ||||
| 运行在以下环境 | |||||||||
| 应用 | nodejs | node.js | * | From (including) 12.0.0 | Up to (excluding) 12.18.4 | ||||
| 运行在以下环境 | |||||||||
| 应用 | nodejs | node.js | * | From (including) 14.0.0 | Up to (excluding) 14.9.0 | ||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | nodejs | * | Up to (excluding) 12.20.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | libuv | * | Up to (excluding) 12.18.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | libuv | * | Up to (excluding) 12.18.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | libuv | * | Up to (excluding) 12.18.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | libuv | * | Up to (excluding) 12.18.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | libuv | * | Up to (excluding) 12.18.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | libuv | * | Up to (excluding) 12.18.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | libuv | * | Up to (excluding) 12.18.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | libuv | * | Up to (excluding) 12.18.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | nodejs-docs | * | Up to (excluding) 12.18.4-2.module+el8.2.0+8361+192e434e | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | libuv1 | * | Up to (including) 1.24.1-1+deb10u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | libuv1 | * | Up to (excluding) 1.39.0-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | libuv1 | * | Up to (excluding) 1.39.0-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | nodejs | * | Up to (including) 4.8.2~dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | libuv1 | * | Up to (excluding) 1.39.0-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | v8-devel-7.8.279.23-1.12.19.0.1.fc31.i686.rpm ( | * | Up to (excluding) 12.19.0-1.fc31 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32_Modular | nodejs | * | Up to (excluding) 14-3220201203015508.43bbeeef | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | npm-6.14.8-1.14.15.1.1.fc33.x86_64.rpm ( | * | Up to (excluding) 14.15.1-1.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33_Modular | nodejs | * | Up to (excluding) 14-3320201203015508.601d93de | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | nodejs10 | * | Up to (excluding) 12.18.4-lp152.3.6.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 12.18.4-2.module+el8.2.0+7806+0b44ae23 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | nodejs-docs | * | Up to (excluding) 12.18.4-2.module+el8.2.0+8361+192e434e | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | libuv1 | * | Up to (excluding) 1.8.0-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | libuv1 | * | Up to (excluding) 1.18.0-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | libuv1 | * | Up to (excluding) 1.34.2-1ubuntu1.1 | |||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 普通权限
- 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-120 | 未进行输入大小检查的缓冲区拷贝（传统缓冲区溢出） |
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