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GHSA-g43w-98wp-m694: SilverStripe framework XML Quadratic Blowup Attack

May 23, 2024

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.

References

  • github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/SS-2014-017-1.yaml
  • github.com/advisories/GHSA-g43w-98wp-m694
  • github.com/silverstripe/silverstripe-framework
  • github.com/silverstripe/silverstripe-framework/commit/7f983c2bae1dc78ca7217e9af364b2fb71dcefe8
  • www.silverstripe.org/software/download/security-releases/ss-2014-017-xml-quadratic-blowup-attack

Code Behaviors & Features

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Affected versions

All versions before 3.1.12

Fixed versions

  • 3.1.12

Solution

Upgrade to version 3.1.12 or above.

Impact 5.3 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Learn more about CVSS

Weakness

  • CWE-400: Uncontrolled Resource Consumption
  • CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Source file

packagist/silverstripe/framework/GHSA-g43w-98wp-m694.yml

Spotted a mistake? Edit the file on GitLab.

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