Day[0]

[bounty] GitLab Arbitrary File Read and Bypassing PHP's filter_var

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Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/gitlab-arbitrary-file-read-and-bypassing-php-s-filter-var.html

Some easy vulnerabilities this week, a directory traversal due to a bad regex, a simply yet somewhat mysterious authentication bypass, arbitrary file read in GitLab thanks to archives with symlinks, and a PHP filter_var bypass.

[00:00:25] elFinder: The story of a repwning

[00:11:56] Authentication bypass using root array

[00:17:04] [GitLab] Arbitrary file read via the bulk imports UploadsPipeline

[00:19:54] PHP filter_var shenanigans

[00:30:26] Quick Thoughts on Finding a Mentor

The DAY[0] Podcast episodes are streamed live on Twitch (@dayzerosec) twice a week:

  • Mondays at 3:00pm Eastern (Boston) we focus on web and more bug bounty style vulnerabilities
  • Tuesdays at 7:00pm Eastern (Boston) we focus on lower-level vulnerabilities and exploits.

    • The Video archive can be found on our Youtube channel: https://www.youtube.com/c/dayzerosec

    You can also join our discord: https://discord.gg/daTxTK9

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