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Amazon Linux 2023 : ruby3.2, ruby3.2-bundled-gems, ruby3.2-default-gems (ALAS2023-2025-921)
high Nessus Plugin ID 233684
Language:
Synopsis
The remote Amazon Linux 2023 host is missing a security update.Description
It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-921 advisory.REXML is an XML toolkit for Ruby. The REXML gem before 3.2.6 has a denial of service vulnerability when it parses an XML that has many <s in an attribute value. Those who need to parse untrusted XMLs may be impacted to this vulnerability. The REXML gem 3.2.7 or later include the patch to fix this vulnerability.
As a workaround, don't parse untrusted XMLs. (CVE-2024-35176)
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as `<`, `0` and `%>`. If you need to parse untrusted XMLs, you many be impacted to these vulnerabilities. The REXML gem 3.3.2 or later include the patches to fix these vulnerabilities. Users are advised to upgrade. Users unable to upgrade should avoid parsing untrusted XML strings. (CVE-2024-39908)
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific characters such as whitespace character, `>]` and `]>`. The REXML gem 3.3.3 or later include the patches to fix these vulnerabilities. (CVE-2024-41123)
REXML is an XML toolkit for Ruby. The REXML gem 3.3.2 has a DoS vulnerability when it parses an XML that has many entity expansions with SAX2 or pull parser API. The REXML gem 3.3.3 or later include the patch to fix the vulnerability. (CVE-2024-41946)
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML gem 3.3.6 or later include the patch to fix the vulnerability. (CVE-2024-43398)
Tenable has extracted the preceding description block directly from the tested product security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Run 'dnf update ruby3.2 --releasever 2023.7.20250331' to update your system.See Also
https://alas.aws.amazon.com/AL2023/ALAS-2025-921.html
https://alas.aws.amazon.com/cve/html/CVE-2024-35176.html
https://alas.aws.amazon.com/cve/html/CVE-2024-39908.html
https://alas.aws.amazon.com/cve/html/CVE-2024-41123.html
https://alas.aws.amazon.com/cve/html/CVE-2024-41946.html
Plugin Details
Severity: High
ID: 233684
File Name: al2023_ALAS2023-2025-921.nasl
Version: 1.1
Type: local
Agent: unix
Published: 4/1/2025
Updated: 4/1/2025
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.1
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2024-41946
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.7
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
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 Available: true
Exploit Ease: No known exploits are available
Patch Publication Date: 3/26/2025
Vulnerability Publication Date: 5/16/2024
Reference Information
CVE: CVE-2024-35176, CVE-2024-39908, CVE-2024-41123, CVE-2024-41946, CVE-2024-43398