CVE-2019-16409: SilverStripe Versioned Files module Unpublished files are exposed publicly
(updated )
In the Versioned Files module through 2.0.3 for SilverStripe 3.x, unpublished versions of files are publicly exposed to anyone who can guess their URL. This guess could be highly informed by a basic understanding of the symbiote/silverstripe-versionedfiles source code. (Users who upgrade from SilverStripe 3.x to 4.x and had Versioned Files installed have no further need for this module, because the 4.x release has built-in versioning. However, nothing in the upgrade process automates the destruction of these insecure artefacts, nor alerts the user to the criticality of destruction.)
References
- github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/CVE-2019-16409.yaml
- github.com/advisories/GHSA-xm6j-x342-gwq9
- github.com/silverstripe/silverstripe-framework
- github.com/symbiote/silverstripe-versionedfiles
- nvd.nist.gov/vuln/detail/CVE-2019-16409
- www.silverstripe.org/download/security-releases/cve-2019-16409
- www.silverstripe.org/download/security-releases/cve-2019-16409/
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