High, CVSS 7.1npmAmendedPublished
Directus GraphQL Field Duplication Denial of Service (DoS)
CVE-2024-39895 · GHSA-7hmh-pfrp-vcx4
- Affected
- npm @directus/env < 1.1.6
- Fixed in
- 1.1.6· Vendor fix available
- Issue
- A denial of service (DoS) attack by field duplication in GraphQL is a type of attack where an attacker exploits the flexibility of GraphQL to overwhelm a server by requesting the same field multiple times in a single query. This can cause the server to perform redundant computations and consume excessive resources, leading to a denial of service for legitimate users. Details Request to the endpoint /graphql are sent when visualizing graphs generated at a dashboard: By modifying the data sent and duplicating many times the fields a DoS attack is possible. PoC The goal is to create a payload that generates a body like this, where the 'max' field is duplicated many times, each with the 'id' field duplicated many times inside it. {'query': 'query { query4f4722ea: testtableaggregated { max {id id id id id id id id id id } max {id id id id id id id id id id } max {id id id id id id id id id id } max {id id id id id id id id id id } max {id id id id id id id id id id } max {id id id…
Recommended action: Upgrade to 1.1.6 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.