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silverstripe-graphql is a package which serves Silverstripe data in GraphQL representations. An attacker could use a recursive graphql query to execute a Distributed Denial of Service attack (DDOS attack) against a website. This mostly affects websites with publicly exposed graphql schemas. If your Silverstripe CMS project does not expose a public facing graphql schema, a user account is required to trigger the DDOS attack. If your site is hosted behind a content delivery network (CDN), such as Imperva or CloudFlare, this may further mitigate the risk. This issue has been addressed in versions 3.8.2, 4.1.3, 4.2.5, 4.3.4, and 5.0.3. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Reserved 2023-08-09 | Published 2023-10-16 | Updated 2024-09-16 | Assigner GitHub_MCWE-400: Uncontrolled Resource Consumption
github.com/...raphql/security/advisories/GHSA-v23w-pppm-jh66
github.com/...ommit/f6d5976ec4608e51184b0db1ee5b9e9a99d2501c
docs.silverstripe.org/...ctices/recursive_or_complex_queries
github.com/silverstripe/silverstripe-graphql/tree/3.8
www.silverstripe.org/...oad/security-releases/CVE-2023-40180
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