Linux Distros Unpatched Vulnerability : CVE-2023-43000

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(276570);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/03/17");

  script_cve_id("CVE-2023-43000");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2026/03/26");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2023-43000");

  script_set_attribute(attribute:"synopsis", value:
"The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be
patched.");
  script_set_attribute(attribute:"description", value:
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied
patch available.

  - A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura
    13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted
    web content may lead to memory corruption. (CVE-2023-43000)

Note that Nessus relies on the presence of the package as reported by the vendor.");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2023-43000");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2023-43000");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/CVE-2023-43000");
  script_set_attribute(attribute:"solution", value:
"There is no known solution at this time.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:U/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:U/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-43000");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"vendor_unpatched", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/11/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/11/22");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:20.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:22.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:24.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:11.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:12.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:qtwebkit-opensource-src");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:qtwebkit-source");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:webkit2gtk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:webkitgtk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:wpewebkit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:libwebkit2gtk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:webkitgtk3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:webkitgtk3-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:webkitgtk3-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:wpewebkit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libwebkit2gtk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:webkitgtk3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:webkitgtk3-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:webkitgtk3-doc");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info2.nasl", "set_linux_os_id.nasl");
  script_require_keys("Host/cpu", "Host/local_checks_enabled", "global_settings/vendor_unpatched", "Host/OS/identifier");
  script_require_ports("Host/OS/CentOS Linux-7", "Host/OS/Debian Linux-11", "Host/OS/Debian Linux-12", "Host/OS/Red Hat Enterprise Linux-7", "Host/OS/Ubuntu Linux-16.04", "Host/OS/Ubuntu Linux-18.04", "Host/OS/Ubuntu Linux-20.04", "Host/OS/Ubuntu Linux-22.04", "Host/OS/Ubuntu Linux-24.04");

  exit(0);
}

if (!get_kb_item("global_settings/vendor_unpatched")) exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/CentOS/rpm-list")) && empty_or_null(get_one_kb_item("Host/Debian/dpkg-l")) && empty_or_null(get_one_kb_item("Host/RedHat/rpm-list"))) audit(AUDIT_PACKAGE_LIST_MISSING);

include('linux_unpatched.inc');

var distro_constraints_array = {
  "Debian Linux-12": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "12",
        "pkgs": [
          {"reference": "libwpewebkit-1.0-doc"},
          {"reference": "libwpewebkit-1.1-0"},
          {"reference": "libwpewebkit-1.1-dev"},
          {"reference": "wpewebkit-driver"}
        ]
      }
    ]
  },
  "Debian Linux-11": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "11",
        "pkgs": [
          {"reference": "libwpewebkit-1.0-3"},
          {"reference": "libwpewebkit-1.0-dev"},
          {"reference": "libwpewebkit-1.0-doc"},
          {"reference": "wpewebkit-driver"}
        ]
      }
    ]
  },
  "Ubuntu Linux-16.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "16.04",
        "pkgs": [
          {"reference": "gir1.2-javascriptcoregtk-4.0"},
          {"reference": "gir1.2-webkit2-4.0"},
          {"reference": "libjavascriptcoregtk-4.0-18"},
          {"reference": "libjavascriptcoregtk-4.0-bin"},
          {"reference": "libjavascriptcoregtk-4.0-dev"},
          {"reference": "libqt5webkit5"},
          {"reference": "libqt5webkit5-dbg"},
          {"reference": "libqt5webkit5-dev"},
          {"reference": "libqt5webkit5-qmlwebkitplugin"},
          {"reference": "libwebkit2gtk-4.0-37"},
          {"reference": "libwebkit2gtk-4.0-37-gtk2"},
          {"reference": "libwebkit2gtk-4.0-dev"},
          {"reference": "libwebkit2gtk-4.0-doc"},
          {"reference": "qml-module-qtwebkit"},
          {"reference": "qtwebkit-source"},
          {"reference": "qtwebkit5-doc-html"},
          {"reference": "webkitgtk"}
        ]
      }
    ]
  },
  "Ubuntu Linux-18.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "18.04",
        "pkgs": [
          {"reference": "gir1.2-javascriptcoregtk-4.0"},
          {"reference": "gir1.2-webkit2-4.0"},
          {"reference": "libjavascriptcoregtk-4.0-18"},
          {"reference": "libjavascriptcoregtk-4.0-bin"},
          {"reference": "libjavascriptcoregtk-4.0-dev"},
          {"reference": "libwebkit2gtk-4.0-37"},
          {"reference": "libwebkit2gtk-4.0-37-gtk2"},
          {"reference": "libwebkit2gtk-4.0-dev"},
          {"reference": "libwebkit2gtk-4.0-doc"},
          {"reference": "qtwebkit-opensource-src"},
          {"reference": "qtwebkit-source"},
          {"reference": "webkit2gtk-driver"},
          {"reference": "webkitgtk"}
        ]
      }
    ]
  },
  "Ubuntu Linux-20.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "20.04",
        "pkgs": [
          {"reference": "gir1.2-javascriptcoregtk-4.0"},
          {"reference": "gir1.2-webkit2-4.0"},
          {"reference": "libjavascriptcoregtk-4.0-18"},
          {"reference": "libjavascriptcoregtk-4.0-bin"},
          {"reference": "libjavascriptcoregtk-4.0-dev"},
          {"reference": "libwebkit2gtk-4.0-37"},
          {"reference": "libwebkit2gtk-4.0-37-gtk2"},
          {"reference": "libwebkit2gtk-4.0-dev"},
          {"reference": "libwebkit2gtk-4.0-doc"},
          {"reference": "qtwebkit-opensource-src"},
          {"reference": "webkit2gtk-driver"},
          {"reference": "wpewebkit"}
        ]
      }
    ]
  },
  "Ubuntu Linux-22.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "22.04",
        "pkgs": [
          {"reference": "qtwebkit-opensource-src"},
          {"reference": "wpewebkit"}
        ]
      }
    ]
  },
  "Ubuntu Linux-24.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "24.04",
        "pkgs": [
          {"reference": "qtwebkit-opensource-src"}
        ]
      }
    ]
  },
  "CentOS Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "libwebkit2gtk"},
          {"reference": "webkitgtk3"},
          {"reference": "webkitgtk3-devel"},
          {"reference": "webkitgtk3-doc"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "libwebkit2gtk"},
          {"reference": "webkitgtk3"},
          {"reference": "webkitgtk3-devel"},
          {"reference": "webkitgtk3-doc"}
        ]
      }
    ]
  }
};

var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');
var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);

if (!empty_or_null(report))
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}