It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1115 advisory.

    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. (CVE-2025-6442)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Detections

Analytics

Amazon Linux 2023 : ruby3.2, ruby3.2-bundled-gems, ruby3.2-default-gems (ALAS2023-2025-1115)

medium Nessus Plugin ID 243482

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