3.1

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3.1

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CVE-2025-67737

CVE-2025-67737: AzuraCast Vulnerable to Pre-Auth File Deletion & Admin RCE

AzuraCast is a self-hosted, all-in-one web radio management suite. Versions 0.23.1 mistakenly include an API endpoint that is intended for internal use by the SFTP software sftpgo, exposing it to the public-facing HTTP API for AzuraCast installations. A user with specific internal knowledge of a station's operations can craft a custom HTTP request that would affect the contents of a station's database, without revealing any internal information about the station. In order to carry out an attack, a malicious user would need to know a valid SFTP station username and the coordinating internal filesystem structure. This issue is fixed in version 0.23.2.

(GitHub Advisory)

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CVE-2025-67737

CVE-2025-67737:

3.1

CVSS Score

3.1

-

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
azuracast/azuracast	composer	<= 0.23.1	0.23.2

Technical Details

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Root Cause Analysis

The vulnerability exists because two internal API endpoints, /api/internal/sftp-event and /api/internal/sftp-auth, were exposed to the public internet without proper authorization checks. These endpoints are handled by the SftpEventAction and SftpAuthAction controllers, respectively. The patch, found in commit 34620dbad93f6cd8e209a4220e3e53c7c5fea844, introduces a new middleware, RequireInternalConnection, to both routes. This middleware validates that incoming requests originate from an internal source by checking a server parameter, effectively blocking external access. The primary vulnerable function, App\Controller\Api\Internal\SftpEventAction::__invoke, would process a pre-delete event from an unauthenticated attacker, leading to the deletion of media file records from the database. The App\Controller\Api\Internal\SftpAuthAction::__invoke function was also exposed and patched, and while the direct impact is not detailed in the advisory, its exposure as an internal authentication endpoint presents a clear security risk.

Vulnerable functions

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WAF Rule

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Reasoning

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