Improper Authentication in Faye



Published: 2020-04-29 | Updated: 2020-07-17
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-11020
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Faye
Web applications / Modules and components for CMS

Vendor James Coglan

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU30293

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-11020

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Faye (NPM, RubyGem) versions greater than 0.5.0 and before 1.0.4, 1.1.3 and 1.2.5, has the potential for authentication bypass in the extension system. The vulnerability allows any client to bypass checks put in place by server-side extensions, by appending extra segments to the message channel. It is patched in versions 1.0.4, 1.1.3 and 1.2.5.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Faye: 1.2.0 - 1.2.4

CPE2.3 External links

http://github.com/faye/faye/commit/65d297d341b607f3cb0b5fa6021a625a991cc30e
http://github.com/faye/faye/security/advisories/GHSA-qpg4-4w7w-2mq5

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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