Ruby WEBrick read_header HTTP Request Smuggling Vulnerability
概要
Ruby WEBrick read_header HTTP Request Smuggling Vulnerability
原文の説明
取得元が公開している説明をそのまま載せています (多くは英語)。
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.
The 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.
出典: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
ディストリビューション別の修正状況
各ディストリビューションが公開している、この CVE の修正パッケージ
- Debian DEBIAN-CVE-2025-6442 ruby-webrick
- Ubuntu UBUNTU-CVE-2025-6442 jruby
参照URL
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- advisory zerodayinitiative.com