Description
WWBN AVideo is an open source video platform. In versions 29.0 and below, the directory traversal fix introduced in commit 2375eb5e0 for `objects/aVideoEncoderReceiveImage.json.php` only checks the URL path component (via `parse_url($url, PHP_URL_PATH)`) for `..` sequences. However, the downstream function `try_get_contents_from_local()` in `objects/functionsFile.php` uses `explode('/videos/', $url)` on the **full URL string** including the query string. An attacker can place the `/videos/../../` traversal payload in the query string to bypass the security check and read arbitrary files from the server filesystem. Commit bd11c16ec894698e54e2cdae25026c61ad1ed441 contains an updated fix.
Problem types
CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Product status
References
github.com/...AVideo/security/advisories/GHSA-m63r-m9jh-3vc6
github.com/...AVideo/security/advisories/GHSA-m63r-m9jh-3vc6
github.com/...AVideo/security/advisories/GHSA-f4f9-627c-jh33
github.com/...ommit/2375eb5e0a6d3cbcfb05377657d0820a7d470b1d
github.com/...ommit/bd11c16ec894698e54e2cdae25026c61ad1ed441