#VU82096 Resource exhaustion in SilverStripe GraphQL Server - CVE-2023-40180

Vulnerability identifier: #VU82096

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-40180

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SilverStripe GraphQL Server
Server applications / Other server solutions

Vendor: SilverStripe

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SilverStripe GraphQL Server: 3.0.0 - 5.0.2

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External links
https://github.com/silverstripe/silverstripe-graphql/commit/f6d5976ec4608e51184b0db1ee5b9e9a99d2501c
https://github.com/silverstripe/silverstripe-graphql/tree/3.8#recursive-or-complex-queries
https://docs.silverstripe.org/en/developer_guides/graphql/security_and_best_practices/recursive_or_complex_queries
https://www.silverstripe.org/download/security-releases/CVE-2023-40180
https://github.com/silverstripe/silverstripe-graphql/security/advisories/GHSA-v23w-pppm-jh66

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.