CVE-2023-28104 Information

Description

silverstripe/graphql serves Silverstripe data as GraphQL representations. In versions 4.2.2 and 4.1.1 an attacker could use a specially crafted graphql query to execute a denial of service attack against a website which has a publicly exposed graphql endpoint. This mostly affects websites with particularly large/complex graphql schemas. Users should upgrade to silverstripe/graphql 4.2.3 or 4.1.2 to remedy the vulnerability.

Reference

https://github.com/silverstripe/silverstripe-graphql/security/advisories/GHSA-67g8-c724-8mp3 https://github.com/silverstripe/silverstripe-graphql/releases/tag/4.1.2 https://github.com/silverstripe/silverstripe-graphql/pull/526 https://github.com/silverstripe/silverstripe-graphql/releases/tag/4.2.3