{"uuid": "a35d32b5-a0e7-429a-be7e-d7a2f99259e0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2025-6442", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/19496", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-6442\n\ud83d\udd25 CVSS Score: 6.5 (cvssV3_0, Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N)\n\ud83d\udd39 Description: Ruby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions.\n\nThe specific flaw exists within the read_headers method. The issue results from the inconsistent parsing of terminators of HTTP headers. An attacker can leverage this vulnerability to smuggle arbitrary HTTP requests. Was ZDI-CAN-21876.\n\ud83d\udccf Published: 2025-06-25T16:52:24.625Z\n\ud83d\udccf Modified: 2025-06-25T16:52:24.625Z\n\ud83d\udd17 References:\n1. https://www.zerodayinitiative.com/advisories/ZDI-25-414/\n2. https://github.com/ruby/webrick/commit/ee60354bcb84ec33b9245e1d1aa6e1f7e8132101#diff-ad02984d873efb089aa51551bc6b7d307a53e0ba1ac439e91d69c2e58a478864", "creation_timestamp": "2025-06-25T18:06:27.000000Z"}