Denial of service in Strapi

1) Resource exhaustion

EUVDB-ID: #VU24842

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to the sanitisation regex in "installPlugin" and "uninstallPlugin" handler functions for the admin panel allows the dash - character. A remote administrator can pass valid arguments like -h, -v, --help which will be passed to "execa()" and restart a server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

strapi: 1.0.0 - 3.0.0 alpha.26.2

CPE2.3

• cpe:2.3:a:strapi.io:strapi:1.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:strapi.io:strapi:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:strapi.io:strapi:1.0.2:*:*:*:*:*:*:*

External links

https://snyk.io/vuln/SNYK-JS-STRAPI-543624
https://hackerone.com/reports/768574

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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