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EulerOS 2.0 SP10 : ruby (EulerOS-SA-2025-2400)

medium Nessus Plugin ID 274904

Synopsis

The remote EulerOS host is missing a security update.

Description

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

 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 EulerOS ruby security advisory.

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

Solution

Update the affected ruby packages.

See Also

http://www.nessus.org/u?c0b8aa2a

Plugin Details

Severity: Medium

ID: 274904

File Name: EulerOS_SA-2025-2400.nasl

Version: 1.1

Type: local

Published: 11/12/2025

Updated: 11/12/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2025-6442

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:ruby, p-cpe:/a:huawei:euleros:ruby-help, p-cpe:/a:huawei:euleros:ruby-irb, p-cpe:/a:huawei:euleros:rubygem-json, p-cpe:/a:huawei:euleros:rubygem-bigdecimal, p-cpe:/a:huawei:euleros:rubygem-did_you_mean, p-cpe:/a:huawei:euleros:rubygem-openssl, p-cpe:/a:huawei:euleros:rubygems, p-cpe:/a:huawei:euleros:rubygem-psych, p-cpe:/a:huawei:euleros:rubygem-rdoc, p-cpe:/a:huawei:euleros:rubygem-io-console, cpe:/o:huawei:euleros:2.0

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/EulerOS/release, Host/EulerOS/rpm-list, Host/EulerOS/sp

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Ease: No known exploits are available

Patch Publication Date: 11/11/2025

Vulnerability Publication Date: 6/25/2025

Reference Information

CVE: CVE-2025-6442