Denial of service in SilverStripe GraphQL

1) Resource exhaustion

EUVDB-ID: #VU82096

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40180

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

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

External links

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

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.