This flaw affects Moodle versions 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8, 3.11 to 3.11.14, 3.9 to 3.9.21 and earlier unsupported versions.Ī limited SQL injection risk was identified on the Mnet SSO access control page. Or, if authentication is a must: verify the integrity of download links from unknown sources in browser (including redirects) before passing them to yt-dlp use `curl` as external downloader, since it is not impacted and/or avoid fragmented formats such as HLS/m3u8, DASH/mpd and ISM.Īn issue in the logic used to check 0.0.0.0 against the cURL blocked hosts lists resulted in an SSRF risk. Alternatively, avoid using `-load-info-json`. While extractors may set custom cookies, these usually do not contain sensitive information. Avoid using cookies and user authentication methods. yt-dlp version 2023.07.06 and nightly 2023.19 fix this issue by removing the `Cookie` header upon HTTP redirects having native downloaders calculate the `Cookie` header from the cookiejar, utilizing external downloaders' built-in support for cookies instead of passing them as header arguments, disabling HTTP redirectiong if the external downloader does not have proper cookie support, processing cookies passed as HTTP headers to limit their scope, and having a separate field for cookies in the info dict storing more information about scoping Some workarounds are available for those who are unable to upgrade. 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. This also occurs in yt-dlp's info JSON output, which may be used by external tools. At the file download stage, all cookies are passed by yt-dlp to the file downloader as a `Cookie` header, thereby losing their scope. All native and external downloaders are affected, except for `curl` and `httpie` (version 3.1.0 or later). This vulnerable behavior is present in yt-dlp prior to 2023.07.06 and nightly 2023.19. During 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. Yt-dlp is a command-line program to download videos from video sites. Sqlite3 v3.40.1 was discovered to contain a segmentation violation at /sqlite3_aflpp/shell.c.
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