Cross-site Request Forgery in GraphQL server for SilverStripe

1) Cross-site request forgery

EUVDB-ID: #VU25678

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-12437

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin on GraphQL mutation queries. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation

Install update from vendor's website.

Vulnerable software versions

SilverStripe GraphQL Server: 2.0.0 - 3.0.4

CPE2.3

• cpe:2.3:a:silverstripe:silverstripe-graphql:2.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:silverstripe:silverstripe-graphql:2.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:silverstripe:silverstripe-graphql:2.0.2:*:*:*:*:*:*:*

External links

https://forum.silverstripe.org/c/releases
https://www.silverstripe.org/blog/tag/release
https://www.silverstripe.org/download/security-releases/
https://snyk.io/vuln/SNYK-PHP-SILVERSTRIPEGRAPHQL-550160

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.