Fedify is a TypeScript library for building federated server apps powered by ActivityPub and other standards. This vulnerability allows a user to maneuver the Webfinger mechanism to perform a GET request to any internal resource on any Host, Port, URL combination regardless of present security mechanisms, and forcing the victim’s server into an infinite loop causing Denial of Service. Moreover, this issue can also be maneuvered into performing a Blind SSRF attack. This vulnerability is fixed in 1.0.14, 1.1.11, 1.2.11, and 1.3.4.
History

Tue, 21 Jan 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 20 Jan 2025 17:00:00 +0000

Type Values Removed Values Added
Description Fedify is a TypeScript library for building federated server apps powered by ActivityPub and other standards. This vulnerability allows a user to maneuver the Webfinger mechanism to perform a GET request to any internal resource on any Host, Port, URL combination regardless of present security mechanisms, and forcing the victim’s server into an infinite loop causing Denial of Service. Moreover, this issue can also be maneuvered into performing a Blind SSRF attack. This vulnerability is fixed in 1.0.14, 1.1.11, 1.2.11, and 1.3.4.
Title Fedify has an Infinite loop and Blind SSRF found inside the Webfinger mechanism
Weaknesses CWE-835
CWE-918
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-01-20T16:49:31.738Z

Updated: 2025-01-21T14:49:49.806Z

Reserved: 2025-01-13T17:15:41.052Z

Link: CVE-2025-23221

cve-icon Vulnrichment

Updated: 2025-01-21T14:47:30.043Z

cve-icon NVD

Status : Received

Published: 2025-01-20T17:15:07.987

Modified: 2025-01-20T17:15:07.987

Link: CVE-2025-23221

cve-icon Redhat

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