CVE编号
CVE-2020-5238利用情况
暂无补丁情况
官方补丁披露时间
2020-07-02漏洞描述
GitHub Flavored Markdown是美国GitHub公司的一款使用在C语言中的CommonMark解析和渲染库。 GitHub Flavored Markdown 0.29.0.gfm.1之前版本中存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。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://github.com/github/cmark-gfm/security/advisories/GHSA-7gc6-9qr5-hc85
参考链接 |
|
|---|---|
| https://github.com/github/cmark-gfm/commit/85d895289c5ab67f988ca659493a64abb5fec7b4 | |
| https://github.com/github/cmark-gfm/security/advisories/GHSA-7gc6-9qr5-hc85 | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... |
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 | github_flavored_markdown_project | github_flavored_markdown | * |
Up to (excluding) 0.29.0.gfm.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | cmark-gfm | * |
Up to (excluding) 0.28.3.gfm.19-3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | haskell-cmark-gfm | * |
Up to (excluding) 0.28.3.gfm.19-3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | python-cmarkgfm | * |
Up to (excluding) 0.28.3.gfm.19-3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | r-cran-commonmark | * |
Up to (excluding) 0.28.3.gfm.19-3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | cmark-gfm | * |
Up to (excluding) 0.29.0.gfm.0-6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | haskell-cmark-gfm | * |
Up to (excluding) 0.29.0.gfm.0-6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | python-cmarkgfm | * |
Up to (excluding) 0.29.0.gfm.0-6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | r-cran-commonmark | * |
Up to (excluding) 0.29.0.gfm.0-6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | cmark-gfm | * |
Up to (excluding) 0.8.0-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | cmark-gfm | * |
Up to (excluding) 0.8.0-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | haskell-cmark-gfm | * |
Up to (excluding) 0.8.0-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | python-cmarkgfm | * |
Up to (excluding) 0.8.0-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | r-cran-commonmark | * |
Up to (excluding) 0.8.0-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | cmark-gfm | * |
Up to (excluding) 0.2.2-1.fc31 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | haskell-cmark-gfm | * |
Up to (excluding) 0.2.2-1.fc31 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | python-cmarkgfm | * |
Up to (excluding) 0.2.2-1.fc31 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | r-cran-commonmark | * |
Up to (excluding) 0.2.2-1.fc31 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | cmark-gfm | * |
Up to (excluding) 0.2.2-1.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | haskell-cmark-gfm | * |
Up to (excluding) 0.2.2-1.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | python-cmarkgfm | * |
Up to (excluding) 0.2.2-1.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | r-cran-commonmark | * |
Up to (excluding) 0.2.2-1.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | cmark-gfm | * |
Up to (excluding) 0.2.2-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | haskell-cmark-gfm | * |
Up to (excluding) 0.2.2-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | python-cmarkgfm | * |
Up to (excluding) 0.2.2-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | r-cran-commonmark | * |
Up to (excluding) 0.2.2-1.fc33 |
|||||
- 攻击路径 远程
- 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
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