Rubygems.org is the Ruby community's gem hosting service. A Gem publisher can cause a Remote DoS when publishing a Gem. This is due to how Ruby reads the Manifest of Gem files when using Gem::Specification.from_yaml. from_yaml makes use of SafeYAML.load which allows YAML aliases inside the YAML-based metadata of a gem. YAML aliases allow for Denial of Service attacks with so-called `YAML-bombs` (comparable to Billion laughs attacks). This was patched. There is is no action required by users. This issue is also tracked as GHSL-2024-001 and was discovered by the GitHub security lab.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:02814-1 advisory.

    - CVE-2024-35221: Fixed remote denial of service via YAML manifest (bsc#1225905)

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

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

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

    Rubygems.org is the Ruby community's gem hosting service. A Gem publisher can cause a Remote DoS when     publishing a Gem. This is due to how Ruby reads the Manifest of Gem files when using     Gem::Specification.from_yaml. from_yaml makes use of SafeYAML.load which allows YAML aliases inside the     YAML-based metadata of a gem. YAML aliases allow for Denial of Service attacks with so-called `YAML-bombs`     (comparable to Billion laughs attacks). This was patched. There is is no action required by users. This     issue is also tracked as GHSL-2024-001 and was discovered by the GitHub security lab.(CVE-2024-35221)

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.

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

    Rubygems.org is the Ruby community's gem hosting service. A Gem publisher can cause a Remote DoS when     publishing a Gem. This is due to how Ruby reads the Manifest of Gem files when using     Gem::Specification.from_yaml. from_yaml makes use of SafeYAML.load which allows YAML aliases inside the     YAML-based metadata of a gem. YAML aliases allow for Denial of Service attacks with so-called `YAML-bombs`     (comparable to Billion laughs attacks). This was patched. There is is no action required by users. This     issue is also tracked as GHSL-2024-001 and was discovered by the GitHub security lab.(CVE-2024-35221)

     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)

    Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many     features to process text files and to do system management tasks (as in Perl). It is simple, straight-     forward, and extensible.(CVE-2024-27282)

Tenable has extracted the preceding description block directly from the EulerOS ruby security advisory.

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

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

    An issue was discovered in Ruby 3.x through 3.3.0. If attacker-supplied data is provided to the Ruby regex     compiler, it is possible to extract arbitrary heap data relative to the start of the text, including     pointers and sensitive strings. The fixed versions are 3.0.7, 3.1.5, 3.2.4, and 3.3.1.(CVE-2024-27282)

    Rubygems.org is the Ruby community's gem hosting service. A Gem publisher can cause a Remote DoS when     publishing a Gem. This is due to how Ruby reads the Manifest of Gem files when using     Gem::Specification.from_yaml. from_yaml makes use of SafeYAML.load which allows YAML aliases inside the     YAML-based metadata of a gem. YAML aliases allow for Denial of Service attacks with so-called `YAML-bombs`     (comparable to Billion laughs attacks). This was patched. There is is no action required by users. This     issue is also tracked as GHSL-2024-001 and was discovered by the GitHub security lab.(CVE-2024-35221)

Tenable has extracted the preceding description block directly from the EulerOS ruby security advisory.

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

ID	Name	Product	Family	Severity
250302	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : ruby2.5 (SUSE-SU-2025:02814-1)	Nessus	SuSE Local Security Checks	medium
208393	EulerOS 2.0 SP12 : ruby (EulerOS-SA-2024-2517)	Nessus	Huawei Local Security Checks	medium
208354	EulerOS 2.0 SP12 : ruby (EulerOS-SA-2024-2542)	Nessus	Huawei Local Security Checks	medium
208329	EulerOS 2.0 SP11 : ruby (EulerOS-SA-2024-2568)	Nessus	Huawei Local Security Checks	medium
208324	EulerOS 2.0 SP11 : ruby (EulerOS-SA-2024-2594)	Nessus	Huawei Local Security Checks	medium
207206	EulerOS 2.0 SP10 : ruby (EulerOS-SA-2024-2452)	Nessus	Huawei Local Security Checks	medium
207176	EulerOS 2.0 SP10 : ruby (EulerOS-SA-2024-2429)	Nessus	Huawei Local Security Checks	medium

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CVE-2024-35221

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