Cookie Prefix Forgery Vulnerability in Rack by Ruby
CVE-2020-8184

7.5HIGH

Key Information:

Vendor

Rack Project

Status
Https://github.com/rack/rack
Vendor
CVE Published:
19 June 2020

What is CVE-2020-8184?

A vulnerability exists in Rack versions below 2.2.3 and 2.1.4 that stems from inadequate validation of cookies. Specifically, this flaw allows an attacker to forge secure or host-only cookie prefixes, potentially leading to unauthorized access and manipulation of session data. Developers using affected versions of Rack must upgrade to ensure proper cookie integrity and security.

Affected Version(s)

https://github.com/rack/rack rack >= 2.2.3, rack >= 2.1.4

References

https://hackerone.com/reports/895727
https://groups.google.com/g/rubyonrails-security/c/OWtmoz...
https://lists.debian.org/debian-lts-announce/2020/07/msg0...
mailing-list

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.