Vulnerability in HDInnovations UNIT3D

[ Description ]Official description

UNIT3D through 9.2.0 contains a missing authorization vulnerability in PlaylistZipController::show that allows authenticated users to download other members' private playlists. Attackers can enumerate sequential playlist ids at the /playlist-zips/{playlist} endpoint to obtain zips of all torrents, disclosing private collection membership.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/HDInnovations/UNIT3D
• github.com/HDInnovations/UNIT3D/blob/v9.2.0/app/Http/Controllers/PlaylistZipController.php
• github.com/HDInnovations/UNIT3D/commit/addc2829cefa2d4aad6511bc71311fa5887b9998
• github.com/HDInnovations/UNIT3D/issues/5621
• github.com/HDInnovations/UNIT3D/pull/5622
• hackmd.io/@hieuPenguinnn/unit3d-playlist-zip-private-idor
• www.vulncheck.com/advisories/unit3d-through-9.2.0-private-playlist-disclosure-via-playl…