Linux Distros Unpatched Vulnerability : CVE-2025-43433

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

include('compat.inc');

if (description)
{
  script_id(303059);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/13");

  script_cve_id("CVE-2025-43433");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2025-43433");

  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.

  - The issue was addressed with improved memory handling. This issue is fixed in Safari 26.1, iOS 18.7.2 and
    iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1.
    Processing maliciously crafted web content may lead to memory corruption. (CVE-2025-43433)

Note that Nessus relies on the presence of the package as reported by the vendor.");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2025-43433");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/CVE-2025-43433");
  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:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/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:U/RL:U/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-43433");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_set_attribute(attribute:"vendor_unpatched", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/11/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/03/19");

  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: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:debian:debian_linux:13.0");
  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:debian:debian_linux:wpewebkit");
  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) 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/Debian Linux-11", "Host/OS/Debian Linux-12", "Host/OS/Debian Linux-13", "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/Debian/dpkg-l"))) 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"}
        ]
      }
    ]
  },
  "Debian Linux-13": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "13",
        "pkgs": [
          {"reference": "libwpewebkit-1.0-doc"},
          {"reference": "libwpewebkit-2.0-1"},
          {"reference": "libwpewebkit-2.0-dev"},
          {"reference": "libwpewebkit-doc"},
          {"reference": "wpewebkit-driver"},
          {"reference": "wpewebkit-webdriver"}
        ]
      }
    ]
  },
  "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"}
        ]
      }
    ]
  }
};

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_WARNING,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}