[Security-news] Stage File Proxy - Moderately critical - Denial of Service - SA-CONTRIB-2025-035

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Wed Apr 16 16:25:13 UTC 2025


View online: https://www.drupal.org/sa-contrib-2025-035

Project: Stage File Proxy [1]
Date: 2025-April-16
Security risk: *Moderately critical* 11 ∕ 25
AC:Complex/A:None/CI:None/II:Some/E:Theoretical/TD:Default [2]
Vulnerability: Denial of Service

Affected versions: <3.1.5
CVE IDs: CVE-2025-3734
Description: 
Stage File Proxy is a general solution for getting production files on a
development server on demand.

The module doesn't sufficiently validate the existence of remote files prior
to attempting to download and create them. An attacker could send many
requests and exhaust disk resources.

This vulnerability is mitigated by the fact it only affects sites where the
Origin is configured with a trailing slash. Sites that cannot upgrade
immediately can confirm they do not have a trailing slash or remove the
trailing slash to mitigate the issue.

Solution: 
Install the latest version:

  * If you use the Stage File Proxy module for Drupal, upgrade to Stage File
    Proxy 3.1.5 [3]

Reported By: 
  * Ide Braakman (idebr) [4]

Fixed By: 
  * Stephen Mustgrave (smustgrave) [5]

Coordinated By: 
  * Greg Knaddison (greggles) [6] of the Drupal Security Team
  * Juraj Nemec (poker10) [7] of the Drupal Security Team


[1] https://www.drupal.org/project/stage_file_proxy
[2] https://www.drupal.org/security-team/risk-levels
[3] https://www.drupal.org/project/stage_file_proxy/releases/3.1.5
[4] https://www.drupal.org/u/idebr
[5] https://www.drupal.org/u/smustgrave
[6] https://www.drupal.org/u/greggles
[7] https://www.drupal.org/u/poker10



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