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Amazon Linux 2023 : ruby3.2, ruby3.2-bundled-gems, ruby3.2-default-gems (ALAS2023-2025-928)

low Nessus Plugin ID 234330

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Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-928 advisory.

 In the URI gem before 1.0.3 for Ruby, the URI handling methods (URI.join, URI#merge, URI#+) have an inadvertent leakage of authentication credentials because userinfo is retained even after changing the host. (CVE-2025-27221)

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.

Solution

Run 'dnf update ruby3.2 --releasever 2023.7.20250414' to update your system.

See Also

https://alas.aws.amazon.com/AL2023/ALAS-2025-928.html

https://alas.aws.amazon.com/cve/html/CVE-2025-27221.html

https://alas.aws.amazon.com/faqs.html

Plugin Details

Severity: Low

ID: 234330

File Name: al2023_ALAS2023-2025-928.nasl

Version: 1.1

Type: local

Agent: unix

Published: 4/14/2025

Updated: 4/14/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2025-27221

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS v4

Risk Factor: Low

Base Score: 2.1

Threat Score: 0.5

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:ruby3.2-libs-debuginfo, p-cpe:/a:amazon:linux:ruby3.2-rubygem-power_assert, p-cpe:/a:amazon:linux:ruby3.2-bundled-gems, p-cpe:/a:amazon:linux:ruby3.2-rubygem-bigdecimal, p-cpe:/a:amazon:linux:ruby3.2-rubygem-psych, p-cpe:/a:amazon:linux:ruby3.2-rubygem-rdoc, p-cpe:/a:amazon:linux:ruby3.2-rubygem-psych-debuginfo, p-cpe:/a:amazon:linux:ruby3.2-rubygem-json, p-cpe:/a:amazon:linux:ruby3.2, p-cpe:/a:amazon:linux:ruby3.2-rubygem-io-console, p-cpe:/a:amazon:linux:ruby3.2-rubygem-bundler, p-cpe:/a:amazon:linux:ruby3.2-doc, p-cpe:/a:amazon:linux:ruby3.2-libs, p-cpe:/a:amazon:linux:ruby3.2-rubygem-irb, p-cpe:/a:amazon:linux:ruby3.2-rubygems, p-cpe:/a:amazon:linux:ruby3.2-default-gems, p-cpe:/a:amazon:linux:ruby3.2-rubygem-rexml, p-cpe:/a:amazon:linux:ruby3.2-rubygem-rake, p-cpe:/a:amazon:linux:ruby3.2-devel, p-cpe:/a:amazon:linux:ruby3.2-bundled-gems-debuginfo, p-cpe:/a:amazon:linux:ruby3.2-rubygem-rbs-debuginfo, p-cpe:/a:amazon:linux:ruby3.2-debugsource, p-cpe:/a:amazon:linux:ruby3.2-rubygem-json-debuginfo, p-cpe:/a:amazon:linux:ruby3.2-rubygem-bigdecimal-debuginfo, p-cpe:/a:amazon:linux:ruby3.2-rubygem-minitest, p-cpe:/a:amazon:linux:ruby3.2-rubygem-typeprof, p-cpe:/a:amazon:linux:ruby3.2-rubygem-rbs, p-cpe:/a:amazon:linux:ruby3.2-rubygem-test-unit, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:ruby3.2-rubygem-io-console-debuginfo, p-cpe:/a:amazon:linux:ruby3.2-rubygems-devel, p-cpe:/a:amazon:linux:ruby3.2-rubygem-rss, p-cpe:/a:amazon:linux:ruby3.2-debuginfo

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 4/9/2025

Vulnerability Publication Date: 3/3/2025

Reference Information

CVE: CVE-2025-27221