Linux Distros Unpatched Vulnerability : CVE-2019-11026

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

include('compat.inc');

if (description)
{
  script_id(222515);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/09/04");

  script_cve_id("CVE-2019-11026");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2019-11026");

  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.

  - FontInfoScanner::scanFonts in FontInfo.cc in Poppler 0.75.0 has infinite recursion, leading to a call to
    the error function in Error.cc. (CVE-2019-11026)

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-2019-11026");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/CVE-2019-11026");
  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:N/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-2019-11026");

  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:"2019/04/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/03/04");

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  script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:8");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:5");
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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:canonical:ubuntu_linux:poppler");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:poppler");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:poppler-cpp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:poppler-cpp-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:poppler-demos");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:poppler-devel");
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  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:poppler");
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  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");
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  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-16.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "16.04",
        "pkgs": [
          {"reference": "gir1.2-poppler-0.18"},
          {"reference": "libpoppler-cpp-dev"},
          {"reference": "libpoppler-cpp0"},
          {"reference": "libpoppler-dev"},
          {"reference": "libpoppler-glib-dev"},
          {"reference": "libpoppler-glib-doc"},
          {"reference": "libpoppler-glib8"},
          {"reference": "libpoppler-private-dev"},
          {"reference": "libpoppler-qt4-4"},
          {"reference": "libpoppler-qt4-dev"},
          {"reference": "libpoppler-qt5-1"},
          {"reference": "libpoppler-qt5-dev"},
          {"reference": "libpoppler58"},
          {"reference": "poppler-dbg"},
          {"reference": "poppler-utils"}
        ]
      }
    ]
  },
  "Ubuntu Linux-18.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "18.04",
        "pkgs": [
          {"reference": "gir1.2-poppler-0.18"},
          {"reference": "libpoppler-cpp-dev"},
          {"reference": "libpoppler-cpp0v5"},
          {"reference": "libpoppler-dev"},
          {"reference": "libpoppler-glib-dev"},
          {"reference": "libpoppler-glib-doc"},
          {"reference": "libpoppler-glib8"},
          {"reference": "libpoppler-private-dev"},
          {"reference": "libpoppler-qt5-1"},
          {"reference": "libpoppler-qt5-dev"},
          {"reference": "libpoppler73"},
          {"reference": "poppler-utils"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-5": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "5",
        "pkgs": [
          {"reference": "poppler"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-6": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "6",
        "pkgs": [
          {"reference": "poppler"},
          {"reference": "poppler-devel"},
          {"reference": "poppler-glib"},
          {"reference": "poppler-glib-devel"},
          {"reference": "poppler-qt"},
          {"reference": "poppler-qt-devel"},
          {"reference": "poppler-qt4"},
          {"reference": "poppler-qt4-devel"},
          {"reference": "poppler-utils"}
        ]
      }
    ]
  },
  "CentOS Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "poppler"},
          {"reference": "poppler-cpp"},
          {"reference": "poppler-cpp-devel"},
          {"reference": "poppler-demos"},
          {"reference": "poppler-devel"},
          {"reference": "poppler-glib"},
          {"reference": "poppler-glib-devel"},
          {"reference": "poppler-qt"},
          {"reference": "poppler-qt-devel"},
          {"reference": "poppler-utils"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "poppler"},
          {"reference": "poppler-cpp"},
          {"reference": "poppler-cpp-devel"},
          {"reference": "poppler-demos"},
          {"reference": "poppler-devel"},
          {"reference": "poppler-glib"},
          {"reference": "poppler-glib-devel"},
          {"reference": "poppler-qt"},
          {"reference": "poppler-qt-devel"},
          {"reference": "poppler-utils"}
        ]
      }
    ]
  },
  "CentOS Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "poppler"},
          {"reference": "poppler-cpp"},
          {"reference": "poppler-cpp-devel"},
          {"reference": "poppler-devel"},
          {"reference": "poppler-glib"},
          {"reference": "poppler-glib-devel"},
          {"reference": "poppler-glib-doc"},
          {"reference": "poppler-qt5"},
          {"reference": "poppler-qt5-devel"},
          {"reference": "poppler-utils"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "poppler"},
          {"reference": "poppler-cpp"},
          {"reference": "poppler-cpp-devel"},
          {"reference": "poppler-devel"},
          {"reference": "poppler-glib"},
          {"reference": "poppler-glib-devel"},
          {"reference": "poppler-glib-doc"},
          {"reference": "poppler-qt5"},
          {"reference": "poppler-qt5-devel"},
          {"reference": "poppler-utils"}
        ]
      }
    ]
  }
};

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');
}