CVE-2021-22904

Description

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.

Weakness classification

• support@hackerone.com: CWE-400
• nvd@nist.gov: NVD-CWE-Other

Primary references

• support@hackerone.com — Exploit, Mitigation, Patch, Vendor Advisory
• support@hackerone.com — Permissions Required, Third Party Advisory
• support@hackerone.com — Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mitigation, Patch, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Permissions Required, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory