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[email protected]CVE-2021-22904

HistoryJun 11, 2021 - 4:15 p.m.

CVE-2021-22904

2021-06-1116:15:11

CWE-400

[email protected]

web.nvd.nist.gov

cve-2021-22904

actionpack

ruby gem

denial of service

token authentication logic

authenticate_or_request_with_http_token

authenticate_with_http_token

nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.8%

JSON

The actionpack ruby gem before 6.1.3.2, 6.0.3.7, 5.2.4.6, 5.2.6 suffers from a possible denial of service vulnerability in the Token Authentication logic in Action Controller due to a too permissive regular expression. Impacted code uses authenticate_or_request_with_http_token or authenticate_with_http_token for request authentication.

Affected configurations

NVD

Node

rubyonrailsrailsRange<5.2.4.6

rubyonrailsrailsRange5.2.5–5.2.6

rubyonrailsrailsRange6.0.0–6.0.3.7

rubyonrailsrailsRange6.1.0–6.1.3.2

CPENameOperatorVersion
rubyonrails:railsrubyonrails railslt5.2.4.6
rubyonrails:railsrubyonrails railslt5.2.6
rubyonrails:railsrubyonrails railslt6.0.3.7
rubyonrails:railsrubyonrails railslt6.1.3.2

CPE	Name	Operator	Version
rubyonrails:rails	rubyonrails rails	lt	5.2.4.6
rubyonrails:rails	rubyonrails rails	lt	5.2.6
rubyonrails:rails	rubyonrails rails	lt	6.0.3.7
rubyonrails:rails	rubyonrails rails	lt	6.1.3.2

CNA Affected

[
  {
    "product": "https://github.com/rails/rails",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fixed in 6.1.3.2, 6.0.3.7, 5.2.4.6, 5.2.6"
      }
    ]
  }
]