CVE编号
CVE-2021-28834利用情况
暂无补丁情况
官方补丁披露时间
2021-03-19漏洞描述
Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://github.com/gettalong/kramdown/compare/REL_2_3_0...REL_2_3_1 | |
| https://github.com/gettalong/kramdown/pull/708 | |
| https://gitlab.com/gitlab-org/gitlab/-/commit/179329b5c3c118924fb242dc449d06b... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://www.debian.org/security/2021/dsa-4890 |
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 | kramdown_project | kramdown | * |
Up to (excluding) 2.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | ruby-kramdown | * |
Up to (excluding) 1.17.0-1+deb10u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | ruby-kramdown | * |
Up to (excluding) 2.3.0-4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | ruby-kramdown | * |
Up to (excluding) 1.12.0-1+deb9u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | ruby-kramdown | * |
Up to (excluding) 2.3.0-4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | ruby-kramdown | * |
Up to (excluding) 2.1.0-5.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | ruby-kramdown | * |
Up to (excluding) 2.2.1-10.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | ruby-kramdown | * |
Up to (excluding) 2.3.1-1.fc34 |
|||||
- 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 N/A
- 补丁情况 官方补丁
- 数据保密性 N/A
- 数据完整性 传输被破坏
- 服务器危害 DoS
- 全网数量 N/A
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