#VU82441 Resource exhaustion in graphql-js - CVE-2023-26144

Vulnerability identifier: #VU82441

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-26144

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
graphql-js
Universal components / Libraries / Programming Languages & Components

Vendor: GraphQL Foundation

Description

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

The vulnerability exists due to insufficient checks in the OverlappingFieldsCanBeMergedRule.ts file when parsing large queries. 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

graphql-js: 16.0.0 - 16.8.0

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External links
https://github.com/graphql/graphql-js/commit/f94b511386c7e47bd0380dcd56553dc063320226
https://github.com/graphql/graphql-js/pull/3972
https://security.snyk.io/vuln/SNYK-JS-GRAPHQL-5905181
https://github.com/graphql/graphql-js/issues/3955
https://github.com/graphql/graphql-js/releases/tag/v16.8.1

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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.