通过不当的文件扩展名清理来修改 yt-dlp 文件系统并进行 RCE（CVE-2024-38519）
CVE编号
CVE-2024-38519利用情况
暂无补丁情况
N/A披露时间
2024-07-02漏洞描述
`yt-dlp` is a command-line audio/video downloader. Prior to version 2024.07.01, `yt-dlp` does not limit the extensions of downloaded files, which could lead to aribitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` also reads config from the working directory (and on Windows executables will be executed from the yt-dlp directory) this could lead to arbitrary code being executed. `yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions. 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.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。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 | |||||||||
| 系统 | fedora_39 | yt-dlp | * | Up to (excluding) 2024.07.02-1.fc39 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_40 | yt-dlp | * | Up to (excluding) 2024.07.02-1.fc40 | |||||
- 攻击路径 N/A
- 攻击复杂度 N/A
- 权限要求 N/A
- 影响范围 N/A
- 用户交互 N/A
- 可用性 N/A
- 保密性 N/A
- 完整性 N/A
| CWE-ID | 漏洞类型 |
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