Vulnerability Monitor

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CVE-2021-22904

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.

Published

2021-06-11T16:15:11.517

Last Modified

2024-11-21T05:50:53.027

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-400
Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	rubyonrails	rails	< 5.2.4.6	Yes
Application	rubyonrails	rails	< 5.2.6	Yes
Application	rubyonrails	rails	< 6.0.3.7	Yes
Application	rubyonrails	rails	< 6.1.3.2	Yes

References

https://discuss.rubyonrails.org/t/cve-2021-22904-possible-dos-vulnerability-in-action-controller-token-authentication/77869 Exploit, Mitigation, Patch, Vendor Advisory ([email protected])
https://hackerone.com/reports/1101125 Permissions Required, Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210805-0009/ Third Party Advisory ([email protected])
https://discuss.rubyonrails.org/t/cve-2021-22904-possible-dos-vulnerability-in-action-controller-token-authentication/77869 Exploit, Mitigation, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/1101125 Permissions Required, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210805-0009/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)