Linux Distros Unpatched Vulnerability : CVE-2016-9427

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

include('compat.inc');

if (description)
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  script_id(220070);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/09/03");

  script_cve_id("CVE-2016-9427");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2016-9427");

  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.

  - Integer overflow vulnerability in bdwgc before 2016-09-27 allows attackers to cause client of bdwgc denial
    of service (heap buffer overflow crash) and possibly execute arbitrary code via huge allocation.
    (CVE-2016-9427)

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-2016-9427");
  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:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2016-9427");

  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:"2016/11/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/03/04");

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  script_dependencies("set_linux_os_id.nasl", "ssh_get_info2.nasl");
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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 = {
  "Red Hat Enterprise Linux-6": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "6",
        "pkgs": [
          {"reference": "cpp"},
          {"reference": "gc"},
          {"reference": "gc-devel"},
          {"reference": "gcc"},
          {"reference": "gcc-c++"},
          {"reference": "gcc-gfortran"},
          {"reference": "gcc-gnat"},
          {"reference": "gcc-java"},
          {"reference": "gcc-objc"},
          {"reference": "gcc-objc++"},
          {"reference": "libatomic"},
          {"reference": "libgcc"},
          {"reference": "libgcj"},
          {"reference": "libgcj-devel"},
          {"reference": "libgcj-src"},
          {"reference": "libgfortran"},
          {"reference": "libgnat"},
          {"reference": "libgnat-devel"},
          {"reference": "libgomp"},
          {"reference": "libitm"},
          {"reference": "libmudflap"},
          {"reference": "libmudflap-devel"},
          {"reference": "libobjc"},
          {"reference": "libquadmath"},
          {"reference": "libstdc++"},
          {"reference": "libstdc++-devel"},
          {"reference": "libstdc++-docs"}
        ]
      }
    ]
  },
  "CentOS Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "gc"},
          {"reference": "gc-devel"},
          {"reference": "libatomic_ops-devel"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "gc"},
          {"reference": "gc-devel"},
          {"reference": "libatomic_ops-devel"}
        ]
      }
    ]
  }
};

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');
}