Linux Distros Unpatched Vulnerability : CVE-2019-5068

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

include('compat.inc');

if (description)
{
  script_id(222894);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/09/03");

  script_cve_id("CVE-2019-5068");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2019-5068");

  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 exploitable shared memory permissions vulnerability exists in the functionality of X11 Mesa 3D Graphics
    Library 19.1.2. An attacker can access the shared memory without any specific permissions to trigger this
    vulnerability. (CVE-2019-5068)

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-2019-5068");
  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:L/AC:L/Au:N/C:P/I:P/A:N");
  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:L/UI:N/S:U/C:L/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-5068");

  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:"2019/11/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/03/04");

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  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:mesa");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:mesa-dri-drivers");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:mesa-filesystem");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:mesa-libEGL");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:mesa-libEGL-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:mesa-libGL");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:mesa-libGL-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:mesa-libGLES");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:mesa-libGLES-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:mesa-libOSMesa");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:mesa-libOSMesa-devel");
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  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("set_linux_os_id.nasl", "ssh_get_info2.nasl");
  script_require_keys("Host/OS/identifier", "Host/cpu", "Host/local_checks_enabled", "global_settings/vendor_unpatched");
  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");

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}

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/RedHat/rpm-list"))) audit(AUDIT_PACKAGE_LIST_MISSING);

include('linux_unpatched.inc');

var distro_constraints_array = {
  "CentOS Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "mesa"},
          {"reference": "mesa-dri-drivers"},
          {"reference": "mesa-filesystem"},
          {"reference": "mesa-libEGL"},
          {"reference": "mesa-libEGL-devel"},
          {"reference": "mesa-libGL"},
          {"reference": "mesa-libGL-devel"},
          {"reference": "mesa-libGLES"},
          {"reference": "mesa-libGLES-devel"},
          {"reference": "mesa-libOSMesa"},
          {"reference": "mesa-libOSMesa-devel"},
          {"reference": "mesa-libgbm"},
          {"reference": "mesa-libgbm-devel"},
          {"reference": "mesa-libglapi"},
          {"reference": "mesa-libwayland-egl"},
          {"reference": "mesa-libwayland-egl-devel"},
          {"reference": "mesa-libxatracker"},
          {"reference": "mesa-libxatracker-devel"},
          {"reference": "mesa-vdpau-drivers"},
          {"reference": "mesa-vulkan-drivers"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "mesa"},
          {"reference": "mesa-dri-drivers"},
          {"reference": "mesa-filesystem"},
          {"reference": "mesa-libEGL"},
          {"reference": "mesa-libEGL-devel"},
          {"reference": "mesa-libGL"},
          {"reference": "mesa-libGL-devel"},
          {"reference": "mesa-libGLES"},
          {"reference": "mesa-libGLES-devel"},
          {"reference": "mesa-libOSMesa"},
          {"reference": "mesa-libOSMesa-devel"},
          {"reference": "mesa-libgbm"},
          {"reference": "mesa-libgbm-devel"},
          {"reference": "mesa-libglapi"},
          {"reference": "mesa-libwayland-egl"},
          {"reference": "mesa-libwayland-egl-devel"},
          {"reference": "mesa-libxatracker"},
          {"reference": "mesa-libxatracker-devel"},
          {"reference": "mesa-vdpau-drivers"},
          {"reference": "mesa-vulkan-drivers"}
        ]
      }
    ]
  },
  "CentOS Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "mesa"},
          {"reference": "mesa-dri-drivers"},
          {"reference": "mesa-filesystem"},
          {"reference": "mesa-libEGL"},
          {"reference": "mesa-libEGL-devel"},
          {"reference": "mesa-libGL"},
          {"reference": "mesa-libGL-devel"},
          {"reference": "mesa-libOSMesa"},
          {"reference": "mesa-libOSMesa-devel"},
          {"reference": "mesa-libgbm"},
          {"reference": "mesa-libgbm-devel"},
          {"reference": "mesa-libglapi"},
          {"reference": "mesa-libxatracker"},
          {"reference": "mesa-vdpau-drivers"},
          {"reference": "mesa-vulkan-devel"},
          {"reference": "mesa-vulkan-drivers"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "mesa"},
          {"reference": "mesa-dri-drivers"},
          {"reference": "mesa-filesystem"},
          {"reference": "mesa-libEGL"},
          {"reference": "mesa-libEGL-devel"},
          {"reference": "mesa-libGL"},
          {"reference": "mesa-libGL-devel"},
          {"reference": "mesa-libOSMesa"},
          {"reference": "mesa-libOSMesa-devel"},
          {"reference": "mesa-libgbm"},
          {"reference": "mesa-libgbm-devel"},
          {"reference": "mesa-libglapi"},
          {"reference": "mesa-libxatracker"},
          {"reference": "mesa-vdpau-drivers"},
          {"reference": "mesa-vulkan-devel"},
          {"reference": "mesa-vulkan-drivers"}
        ]
      }
    ]
  }
};

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