Huawei EulerOS: Security Advisory for ruby (EulerOS-SA-2024-2517)

# SPDX-FileCopyrightText: 2024 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.1.2.2024.2517");
  script_cve_id("CVE-2024-35221");
  script_tag(name:"creation_date", value:"2024-10-09 04:31:34 +0000 (Wed, 09 Oct 2024)");
  script_version("2024-10-09T08:09:35+0000");
  script_tag(name:"last_modification", value:"2024-10-09 08:09:35 +0000 (Wed, 09 Oct 2024)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");

  script_name("Huawei EulerOS: Security Advisory for ruby (EulerOS-SA-2024-2517)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2024 Greenbone AG");
  script_family("Huawei EulerOS Local Security Checks");
  script_dependencies("gb_huawei_euleros_consolidation.nasl");
  script_mandatory_keys("ssh/login/euleros", "ssh/login/rpms", re:"ssh/login/release=EULEROS\-2\.0SP12");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2024-2517");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2024-2517");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'ruby' package(s) announced via the EulerOS-SA-2024-2517 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"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)");

  script_tag(name:"affected", value:"'ruby' package(s) on Huawei EulerOS V2.0SP12.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-rpm.inc");

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "EULEROS-2.0SP12") {

  if(!isnull(res = isrpmvuln(pkg:"ruby", rpm:"ruby~3.0.3~128.h11.eulerosv2r12", rls:"EULEROS-2.0SP12"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ruby-help", rpm:"ruby-help~3.0.3~128.h11.eulerosv2r12", rls:"EULEROS-2.0SP12"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ruby-irb", rpm:"ruby-irb~3.0.3~128.h11.eulerosv2r12", rls:"EULEROS-2.0SP12"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);