#VU28244 Cross-site request forgery


Published: 2020-05-26 | Updated: 2020-07-15

Vulnerability identifier: #VU28244

Vulnerability risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-8166

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
actionpack
Web applications / Modules and components for CMS

Vendor: Ruby

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 in the "authenticity_token" meta tag. 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 updates from vendor's website.

Vulnerable software versions

actionpack: 5.0.0 - 6.0.3 rc1


CPE

External links
http://snyk.io/vuln/SNYK-RUBY-ACTIONPACK-569599
http://github.com/rails/rails/commit/d124f19287f4892c72ca54da728a781591c6fca1
http://groups.google.com/forum/#!topic/rubyonrails-security/NOjKiGeXUgw


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. However, proof of concept for this vulnerability is available.


Latest bulletins with this vulnerability