CVE-2022-25377: Appwrite Directory Traversal vulnerability
The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote attackers to read arbitrary local files via ../ directory traversal. In order to be vulnerable, APP_STORAGE_CERTIFICATES/.well-known/acme-challenge must exist on disk. (This pathname is automatically created if the user chooses to install Let’s Encrypt certificates via Appwrite.)
References
- dubell.io/unauthenticated-lfi-in-appwrite-0.5.0-0.12.1
- github.com/advisories/GHSA-wfm3-gq9h-mrjm
- github.com/appwrite/appwrite
- github.com/appwrite/appwrite/blob/0.12.0/app/controllers/general.php
- github.com/appwrite/appwrite/commit/892f6fa4ba0d44e2435ffad1a84542400cfb7a9b
- github.com/appwrite/appwrite/pull/2780
- github.com/appwrite/appwrite/releases/tag/0.12.2
- nvd.nist.gov/vuln/detail/CVE-2022-25377
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