Silverstripe graphql up to 5.0.2 GraphQL Schema resource consumption

Summaryinfo

A vulnerability was found in Silverstripe graphql up to 3.8.1/4.1.2/4.2.4/4.3.3/5.0.2. It has been classified as problematic. The affected element is an unknown function of the component GraphQL Schema Handler. The manipulation leads to resource consumption. This vulnerability is listed as CVE-2023-40180. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Silverstripe graphql up to 3.8.1/4.1.2/4.2.4/4.3.3/5.0.2 (Content Management System) and classified as problematic. This issue affects an unknown code block of the component GraphQL Schema Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

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.

The weakness was presented 10/16/2023 as GHSA-v23w-pppm-jh66. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-40180 since 08/09/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 3.8.2, 4.1.3, 4.2.5, 4.3.4 or 5.0.3 eliminates this vulnerability. The upgrade is hosted for download at silverstripe.org. Applying the patch f6d5976ec4608e51184b0db1ee5b9e9a99d2501c is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Silverstripe

Name

• graphql

Version

• 3.8.0
• 3.8.1
• 4.1.0
• 4.1.1
• 4.1.2
• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4
• 4.3.0
• 4.3.1
• 4.3.2
• 4.3.3
• 5.0.0
• 5.0.1
• 5.0.2

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion