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.
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Tue, 21 Jan 2025 15:15:00 +0000
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Mon, 20 Jan 2025 17:00:00 +0000
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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 |
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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

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

Status : Received
Published: 2025-01-20T17:15:07.987
Modified: 2025-01-20T17:15:07.987
Link: CVE-2025-23221

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