{"url":"http://public2.vulnerablecode.io/api/packages/151890?format=json","purl":"pkg:apk/alpine/yt-dlp@2023.07.06-r0?arch=x86_64&distroversion=v3.22&reponame=community","type":"apk","namespace":"alpine","name":"yt-dlp","version":"2023.07.06-r0","qualifiers":{"arch":"x86_64","distroversion":"v3.22","reponame":"community"},"subpath":"","is_vulnerable":false,"next_non_vulnerable_version":"2024.07.01-r0","latest_non_vulnerable_version":"2024.07.01-r0","affected_by_vulnerabilities":[],"fixing_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/38329?format=json","vulnerability_id":"VCID-fcbz-cu1g-2bgz","summary":"yt-dlp File Downloader cookie leak\n### Impact\nDuring file downloads, yt-dlp or the external downloaders that yt-dlp employs may leak cookies on HTTP redirects to a different host, or leak them when the host for download fragments differs from their parent manifest's host.\n\nThis vulnerable behavior is present in all versions of [youtube-dl](https://github.com/ytdl-org/youtube-dl), [youtube-dlc](https://github.com/blackjack4494/yt-dlc) and [yt-dlp](https://github.com/yt-dlp/yt-dlp) released since 2015.01.25. All native and external downloaders are affected, except for `curl` and `httpie` (httpie version 3.1.0 or later).\n\nAt the file download stage, all cookies are passed by yt-dlp to the file downloader as a `Cookie` header, thereby losing their scope. This also occurs in yt-dlp's info JSON output, which may be used by external tools. As a result, the downloader or external tool may indiscriminately send cookies with requests to domains or paths for which the cookies are not scoped.\n\nAn example of a potential attack scenario exploiting this vulnerability:\n1. an attacker has crafted a malicious website with an embedded URL designed to be detected by yt-dlp as a video download. This embedded URL has the domain of a trusted site that the user has loaded cookies for, and conducts an [unvalidated redirect](https://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html) to a target URL.\n2. yt-dlp extracts this URL and calculates a `Cookie` header based on its domain for the file downloader to make its request(s) with.\n3. the download URL redirects to a server controlled by the attacker, to which yt-dlp forwards the user's sensitive cookie information.\n\n### Patches\nyt-dlp version 2023.07.06 fixes this issue by doing the following:\n\n- Remove the `Cookie` header upon HTTP redirects\n- Have native downloaders calculate their own `Cookie` header from the cookiejar\n- Utilize external downloaders' built-in support for cookies instead of passing them as header arguments\n- If the external downloader does not have proper cookie support, then disable HTTP redirection (`axel` only)\n- Process cookies passed as HTTP headers to limit their scope (`--add-header \"Cookie:...\"` is scoped to input URL domain only)\n- Store cookies in a separate `cookies` field of the info dict instead of `http_headers` so as not to lose their scope\n\nPatches for youtube-dl are expected and we will update this advisory when they are merged.\n\n### Workarounds\nIt is recommended to upgrade yt-dlp to version 2023.07.06 as soon as possible.\n\nFor users who are not able to upgrade:\n\n - Avoid using cookies and user authentication methods (`--cookies`, `--cookies-from-browser`, `--username`, `--password`, `--netrc`). While extractors may set custom cookies, these usually do not contain sensitive information.\n - Avoid using `--load-info-json`\n\nOr, if authentication is a must:\n\n- Verify the integrity of download links from unknown sources in browser (including redirects) before passing them to yt-dlp\n- Use `curl` as external downloader, since it is not impacted (`--downloader curl`)\n- Avoid fragmented formats such as HLS/m3u8, DASH/mpd and ISM (use `-f \"(bv*+ba/b)[protocol~='^https?$']\"`)\n\n### References\n- https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-v8mc-9377-rwjj\n- https://nvd.nist.gov/vuln/detail/CVE-2023-35934\n- https://github.com/yt-dlp/yt-dlp/releases/tag/2023.07.06\n- https://github.com/yt-dlp/yt-dlp-nightly-builds/releases/tag/2023.07.06.185519\n- https://github.com/yt-dlp/yt-dlp/commit/1ceb657bdd254ad961489e5060f2ccc7d556b729\n- https://github.com/yt-dlp/yt-dlp/commit/f8b4bcc0a791274223723488bfbfc23ea3276641\n- https://github.com/yt-dlp/yt-dlp/commit/3121512228487c9c690d3d39bfd2579addf96e07","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-35934","reference_id":"","reference_type":"","scores":[{"value":"0.00689","scoring_system":"epss","scoring_elements":"0.72098","published_at":"2026-05-29T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-35934"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-35934","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-35934"},{"reference_url":"https://github.com/yt-dlp/yt-dlp","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/yt-dlp/yt-dlp"},{"reference_url":"https://github.com/yt-dlp/yt-dlp/commit/1ceb657bdd254ad961489e5060f2ccc7d556b729","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-11-19T16:47:08Z/"}],"url":"https://github.com/yt-dlp/yt-dlp/commit/1ceb657bdd254ad961489e5060f2ccc7d556b729"},{"reference_url":"https://github.com/yt-dlp/yt-dlp/commit/3121512228487c9c690d3d39bfd2579addf96e07","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-11-19T16:47:08Z/"}],"url":"https://github.com/yt-dlp/yt-dlp/commit/3121512228487c9c690d3d39bfd2579addf96e07"},{"reference_url":"https://github.com/yt-dlp/yt-dlp/commit/f8b4bcc0a791274223723488bfbfc23ea3276641","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-11-19T16:47:08Z/"}],"url":"https://github.com/yt-dlp/yt-dlp/commit/f8b4bcc0a791274223723488bfbfc23ea3276641"},{"reference_url":"https://github.com/yt-dlp/yt-dlp-nightly-builds/releases/tag/2023.07.06.185519","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-11-19T16:47:08Z/"}],"url":"https://github.com/yt-dlp/yt-dlp-nightly-builds/releases/tag/2023.07.06.185519"},{"reference_url":"https://github.com/yt-dlp/yt-dlp/releases/tag/2023.07.06","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-11-19T16:47:08Z/"}],"url":"https://github.com/yt-dlp/yt-dlp/releases/tag/2023.07.06"},{"reference_url":"https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-v8mc-9377-rwjj","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-11-19T16:47:08Z/"}],"url":"https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-v8mc-9377-rwjj"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5X6YT6AQE5FHM5VTQLKKJXSYBLLJF26W","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5X6YT6AQE5FHM5VTQLKKJXSYBLLJF26W"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5X6YT6AQE5FHM5VTQLKKJXSYBLLJF26W/","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"value":"Track","scoring_system":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esource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-fcbz-cu1g-2bgz"}],"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/packages/pkg:apk/alpine/yt-dlp@2023.07.06-r0%3Farch=x86_64&distroversion=v3.22&reponame=community"}