Security restrictions bypass in JSON:API module for Drupal

1) Security restrictions bypass

EUVDB-ID: #VU16710

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to the module doesn't sufficiently check access when responding to certain filtered collection requests. A remote unauthenticated attacker can bypass security restrictions to access a JSON:API specification-compliant HTTP API and manipulate Drupal content and configuration entities.

Mitigation

Update to version 8.x-1.24.

Vulnerable software versions

JSON:API: 8.x-1.0 - 8.x-1.x-dev

External links

http://www.drupal.org/sa-contrib-2018-081

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.