Linux Distros Unpatched Vulnerability : CVE-2019-14250

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

include('compat.inc');

if (description)
{
  script_id(255512);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/09/05");

  script_cve_id("CVE-2019-14250");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2019-14250");

  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.

  - An issue was discovered in GNU libiberty, as distributed in GNU Binutils 2.32. simple_object_elf_match in
    simple-object-elf.c does not check for a zero shstrndx value, leading to an integer overflow and resultant
    heap-based buffer overflow. (CVE-2019-14250)

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-2019-14250");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/CVE-2019-14250");
  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:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-14250");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
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  script_set_attribute(attribute:"vuln_publication_date", value:"2019/07/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/08/26");

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

  script_copyright(english:"This script is Copyright (C) 2025 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/CentOS Linux-8", "Host/OS/Red Hat Enterprise Linux-7", "Host/OS/Red Hat Enterprise Linux-8", "Host/OS/Ubuntu Linux-14.04");

  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 = {
  "Ubuntu Linux-14.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "14.04",
        "pkgs": [
          {"reference": "binutils"},
          {"reference": "binutils-dev"},
          {"reference": "binutils-doc"},
          {"reference": "binutils-hppa64"},
          {"reference": "binutils-multiarch"},
          {"reference": "binutils-multiarch-dev"},
          {"reference": "binutils-source"},
          {"reference": "binutils-static"},
          {"reference": "binutils-static-udeb"}
        ]
      }
    ]
  },
  "CentOS Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "binutils"},
          {"reference": "binutils-devel"},
          {"reference": "cpp"},
          {"reference": "gcc"},
          {"reference": "gcc-c++"},
          {"reference": "gcc-gfortran"},
          {"reference": "gcc-gnat"},
          {"reference": "gcc-go"},
          {"reference": "gcc-objc"},
          {"reference": "gcc-objc++"},
          {"reference": "gcc-plugin-devel"},
          {"reference": "libasan"},
          {"reference": "libasan-static"},
          {"reference": "libatomic"},
          {"reference": "libatomic-static"},
          {"reference": "libgcc"},
          {"reference": "libgfortran"},
          {"reference": "libgfortran-static"},
          {"reference": "libgnat"},
          {"reference": "libgnat-devel"},
          {"reference": "libgnat-static"},
          {"reference": "libgo"},
          {"reference": "libgo-devel"},
          {"reference": "libgo-static"},
          {"reference": "libgomp"},
          {"reference": "libitm"},
          {"reference": "libitm-devel"},
          {"reference": "libitm-static"},
          {"reference": "libmudflap"},
          {"reference": "libmudflap-devel"},
          {"reference": "libmudflap-static"},
          {"reference": "libobjc"},
          {"reference": "libquadmath"},
          {"reference": "libquadmath-devel"},
          {"reference": "libquadmath-static"},
          {"reference": "libstdc++"},
          {"reference": "libstdc++-devel"},
          {"reference": "libstdc++-docs"},
          {"reference": "libstdc++-static"},
          {"reference": "libtsan"},
          {"reference": "libtsan-static"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "binutils"},
          {"reference": "binutils-devel"},
          {"reference": "cpp"},
          {"reference": "gcc"},
          {"reference": "gcc-c++"},
          {"reference": "gcc-gfortran"},
          {"reference": "gcc-gnat"},
          {"reference": "gcc-go"},
          {"reference": "gcc-objc"},
          {"reference": "gcc-objc++"},
          {"reference": "gcc-plugin-devel"},
          {"reference": "libasan"},
          {"reference": "libasan-static"},
          {"reference": "libatomic"},
          {"reference": "libatomic-static"},
          {"reference": "libgcc"},
          {"reference": "libgfortran"},
          {"reference": "libgfortran-static"},
          {"reference": "libgnat"},
          {"reference": "libgnat-devel"},
          {"reference": "libgnat-static"},
          {"reference": "libgo"},
          {"reference": "libgo-devel"},
          {"reference": "libgo-static"},
          {"reference": "libgomp"},
          {"reference": "libitm"},
          {"reference": "libitm-devel"},
          {"reference": "libitm-static"},
          {"reference": "libmudflap"},
          {"reference": "libmudflap-devel"},
          {"reference": "libmudflap-static"},
          {"reference": "libobjc"},
          {"reference": "libquadmath"},
          {"reference": "libquadmath-devel"},
          {"reference": "libquadmath-static"},
          {"reference": "libstdc++"},
          {"reference": "libstdc++-devel"},
          {"reference": "libstdc++-docs"},
          {"reference": "libstdc++-static"},
          {"reference": "libtsan"},
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  },
  "CentOS Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "binutils"},
          {"reference": "binutils-devel"},
          {"reference": "cpp"},
          {"reference": "gcc"},
          {"reference": "gcc-c++"},
          {"reference": "gcc-gdb-plugin"},
          {"reference": "gcc-gfortran"},
          {"reference": "gcc-offload-nvptx"},
          {"reference": "gcc-plugin-annobin"},
          {"reference": "gcc-plugin-devel"},
          {"reference": "libasan"},
          {"reference": "libatomic"},
          {"reference": "libatomic-static"},
          {"reference": "libgcc"},
          {"reference": "libgfortran"},
          {"reference": "libgfortran-static"},
          {"reference": "libgomp"},
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          {"reference": "libitm"},
          {"reference": "libitm-devel"},
          {"reference": "liblsan"},
          {"reference": "libquadmath"},
          {"reference": "libquadmath-devel"},
          {"reference": "libquadmath-static"},
          {"reference": "libstdc++"},
          {"reference": "libstdc++-devel"},
          {"reference": "libstdc++-docs"},
          {"reference": "libstdc++-static"},
          {"reference": "libtsan"},
          {"reference": "libubsan"}
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      }
    ]
  },
  "Red Hat Enterprise Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "binutils"},
          {"reference": "binutils-devel"},
          {"reference": "cpp"},
          {"reference": "gcc"},
          {"reference": "gcc-c++"},
          {"reference": "gcc-gdb-plugin"},
          {"reference": "gcc-gfortran"},
          {"reference": "gcc-offload-nvptx"},
          {"reference": "gcc-plugin-annobin"},
          {"reference": "gcc-plugin-devel"},
          {"reference": "libasan"},
          {"reference": "libatomic"},
          {"reference": "libatomic-static"},
          {"reference": "libgcc"},
          {"reference": "libgfortran"},
          {"reference": "libgfortran-static"},
          {"reference": "libgomp"},
          {"reference": "libgomp-offload-nvptx"},
          {"reference": "libitm"},
          {"reference": "libitm-devel"},
          {"reference": "liblsan"},
          {"reference": "libquadmath"},
          {"reference": "libquadmath-devel"},
          {"reference": "libquadmath-static"},
          {"reference": "libstdc++"},
          {"reference": "libstdc++-devel"},
          {"reference": "libstdc++-docs"},
          {"reference": "libstdc++-static"},
          {"reference": "libtsan"},
          {"reference": "libubsan"}
        ]
      }
    ]
  }
};

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');
}