CVE-2024-22423— yt-dlp 安全漏洞
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一、 漏洞 CVE-2024-22423 基础信息
漏洞信息
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Vulnerability Title
yt-dlp `--exec` command injection when using `%q` in yt-dlp on Windows
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
yt-dlp is a youtube-dl fork with additional features and fixes. The patch that addressed CVE-2023-40581 attempted to prevent RCE when using `--exec` with `%q` by replacing double quotes with two double quotes. However, this escaping is not sufficient, and still allows expansion of environment variables. Support for output template expansion in `--exec`, along with this vulnerable behavior, was added to `yt-dlp` in version 2021.04.11. yt-dlp version 2024.04.09 fixes this issue by properly escaping `%`. It replaces them with `%%cd:~,%`, a variable that expands to nothing, leaving only the leading percent. It is recommended to upgrade yt-dlp to version 2024.04.09 as soon as possible. Also, always be careful when using `--exec`, because while this specific vulnerability has been patched, using unvalidated input in shell commands is inherently dangerous. For Windows users who are not able to upgrade, avoid using any output template expansion in `--exec` other than `{}` (filepath); if expansion in `--exec` is needed, verify the fields you are using do not contain `"`, `|` or `&`; and/or instead of using `--exec`, write the info json and load the fields from it instead.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
yt-dlp 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
yt-dlp是基于现在不活动的youtube-dlc 的youtube-dl分支。 yt-dlp存在安全漏洞，该漏洞源于没有正确转义特殊字符，导致存在远程代码执行漏洞。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2024-22423 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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三、漏洞 CVE-2024-22423 的情报信息
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CVE-2024-22423 补丁与修复 (2)
CVE-2024-22423 厂商安全公告 (3)
- https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-hjq6-52gw-2g7px_refsource_CONFIRM
CVE-2024-22423 其他参考 (2)
- https://github.com/yt-dlp/yt-dlp/releases/tag/2024.04.09x_refsource_MISC
- https://github.com/yt-dlp/yt-dlp/releases/tag/2021.04.11x_refsource_MISC
IV. Related Vulnerabilities
V. Comments for CVE-2024-22423
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