CVE-2024-38519 (GCVE-0-2024-38519)

Vulnerability from cvelistv5 – Published: 2024-07-02 13:47 – Updated: 2024-08-02 04:12
VLAI
Title
yt-dlp and youtube-dl vulnerable to file system modification and RCE through improper file-extension sanitization
Summary
`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.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-02 15:17 UTC
CWE
  • CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7868 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
yt-dlp yt-dlp Affected: < 2024.07.01 , < 2024.07.01 (date)
guessed Create a notification for this product.
ytdl-org youtube-dl Affected: >= 2015.01.25 , ≤ 2021.12.17 (date)
Affected: nightly , < 2024-07-03 (date)
guessed Create a notification for this product.
yt-dlp_project yt-dlp Affected: 0 , < 2024.07.01 (custom)
    cpe:2.3:a:yt-dlp_project:yt-dlp:-:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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            "type": "Secondary"
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    },
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      "cve": "CVE-2024-38519",
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      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
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      "title": "yt-dlp: File system modification and RCE through improper file-extension sanitization",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-38519.json",
      "version": "3"
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          "problemTypes": [
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        }
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    }
  }
}



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