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GHSA-cwgq-83w5-8jfq: silverstripe/framework has possible denial of service attack vector when flushing

May 28, 2024

A possible denial of service attack vector has been identified in the dev/build system controller.

dev/build now has its own URL token, similar to flushtoken, to ensure users are authenticated when running dev/build outside of dev environments.

References

  • github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/SS-2018-019-1.yaml
  • github.com/advisories/GHSA-cwgq-83w5-8jfq
  • github.com/silverstripe/silverstripe-framework
  • github.com/silverstripe/silverstripe-framework/commit/0610f76da02ac53a1b51cdfe9eac34e943a66991
  • github.com/silverstripe/silverstripe-framework/commit/8d7c2dafabad505d769f3774c44e0595fb1a4cd9
  • github.com/silverstripe/silverstripe-framework/commit/af000bea9b16ea553cae7f7f662f74ab8dc343df
  • www.silverstripe.org/download/security-releases/ss-2018-019

Code Behaviors & Features

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Affected versions

All versions starting from 4.0.0-rc1 before 4.0.5, all versions starting from 4.1.0-rc1 before 4.1.3, all versions starting from 4.2.0-rc1 before 4.2.2

Fixed versions

  • 4.0.5
  • 4.1.3
  • 4.2.2

Solution

Upgrade to versions 4.0.5, 4.1.3, 4.2.2 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation

Source file

packagist/silverstripe/framework/GHSA-cwgq-83w5-8jfq.yml

Spotted a mistake? Edit the file on GitLab.

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