Authentication and extension bypass in Faye
CVE-2020-11020

8.5HIGH

Key Information:

Vendor

Faye

Status
Faye
Vendor
CVE Published:
29 April 2020

What is CVE-2020-11020?

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.

Affected Version(s)

Faye >= 0.5.0, < 1.0.4 < 0.5.0, 1.0.4

Faye >= 1.1.0, < 1.1.3 < 1.1.0, 1.1.3

Faye >= 1.2.0, < 1.2.5 < 1.2.0, 1.2.5

References

https://github.com/faye/faye/security/advisories/GHSA-qpg...
x_refsource_CONFIRM
https://github.com/faye/faye/commit/65d297d341b607f3cb0b5...
x_refsource_MISC

CVSS V3.1

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.