CVE-2024-38519— yt-dlp 安全漏洞
一分钟漏洞结论
影响对象
yt-dlp yt-dlp
利用判断
存在公开或 AI PoC，应优先验证
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
yt-dlp是基于现在不活动的youtube-dlc 的youtube-dl分支。 yt-dlp 2024.07.01之前版本存在安全漏洞，该漏洞源于不限制下载文件的扩展名，可能导致在下载文件夹中创建任意文件名以及在Windows上进行路径遍历。
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一、 漏洞 CVE-2024-38519 基础信息
漏洞信息
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Vulnerability Title
yt-dlp and youtube-dl vulnerable to file system modification and RCE through improper file-extension sanitization
来源: CVE Program / CVE List V5
Vulnerability Description
`yt-dlp` and `youtube-dl` are command-line audio/video downloaders. Prior to the fixed versions, `yt-dlp` and `youtube-dl` do not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` and `youtube-dl` also read config from the working directory (and on Windows executables will be executed from the `yt-dlp` or `youtube-dl` directory), this could lead to arbitrary code being executed.
`yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions. `youtube-dl` fixes this issue in commit `d42a222` on the `master` branch and in nightly builds tagged 2024-07-03 or later. This might mean some very uncommon extensions might not get downloaded, however it will also limit the possible exploitation surface. In addition to upgrading, have `.%(ext)s` at the end of the output template and make sure the user trusts the websites that they are downloading from. Also, make sure to never download to a directory within PATH or other sensitive locations like one's user directory, `system32`, or other binaries locations. For users who are not able to upgrade, keep the default output template (`-o "%(title)s [%(id)s].%(ext)s`); make sure the extension of the media to download is a common video/audio/sub/... one; try to avoid the generic extractor; and/or use `--ignore-config --config-location ...` to not load config from common locations.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
在范围间的资源转移不正确
来源: CVE Program / CVE List V5
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 2024.07.01之前版本存在安全漏洞，该漏洞源于不限制下载文件的扩展名，可能导致在下载文件夹中创建任意文件名以及在Windows上进行路径遍历。
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
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| yt-dlp | yt-dlp | < 2024.07.01 ~ 2024.07.01 | - |
|
| ytdl-org | youtube-dl | >= 2015.01.25 ~ 2021.12.17 | - |
|
二、漏洞 CVE-2024-38519 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC
已实测靶场
高级
Qwen3.6-35B-A3B
· 5491 chars
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完整可执行 POC 代码
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三、漏洞 CVE-2024-38519 的情报信息
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CVE-2024-38519 补丁与修复 (3)
-
https://github.com/ytdl-org/youtube-dl/pull/32830 x_refsource_MISC
CVE-2024-38519 厂商安全公告 (2)
-
https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-79w7-vh3h-8g4j x_refsource_CONFIRM
CVE-2024-38519 其他参考 (3)
-
https://securitylab.github.com/advisories/GHSL-2024-089_youtube-dl/ x_refsource_MISC
-
https://github.com/yt-dlp/yt-dlp/releases/tag/2024.07.01 x_refsource_MISC
-
https://securitylab.github.com/advisories/GHSL-2024-090_yt-dlp x_refsource_MISC
IV. Related Vulnerabilities
V. Comments for CVE-2024-38519
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