silverstripe/silverstripe-framework · Security
SilverStripe framework XML Quadratic Blowup Attack
- GHSA ID
- GHSA-g43w-98wp-m694
- Severity
- medium
- Published
- Updated
- CVSS
- 5.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS v3
- 5.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Description
A low level vulnerability has been found in the SilverStripe framework, where the Quadratic Blowup Attack could potentially be exploited to affect the performance of a site.
See http://mashable.com/2014/08/06/wordpress-xml-blowup-dos/ for a writeup.
CWEs
- CWE-400 · Uncontrolled Resource Consumption
- CWE-776 · Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
References
- https://github.com/silverstripe/silverstripe-framework/commit/7f983c2bae1dc78ca7217e9af364b2fb71dcefe8 ↗
- https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/SS-2014-017-1.yaml ↗
- https://www.silverstripe.org/software/download/security-releases/ss-2014-017-xml-quadratic-blowup-attack ↗
- https://github.com/advisories/GHSA-g43w-98wp-m694 ↗