Microsoft Office Outlook Denial of Service Vulnerability - Mac OS X

# SPDX-FileCopyrightText: 2017 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

CPE = "cpe:/a:microsoft:office";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.811832");
  script_version("2024-02-15T05:05:40+0000");
  script_cve_id("CVE-2014-2730");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"creation_date", value:"2017-09-19 15:38:09 +0530 (Tue, 19 Sep 2017)");
  script_tag(name:"qod_type", value:"executable_version_unreliable");
  script_name("Microsoft Office Outlook Denial of Service Vulnerability - Mac OS X");

  script_tag(name:"summary", value:"Microsoft Office Outlook is prone to a denial of service (DoS) vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The flaw is due to the XML parser in Microsoft
  Office does not properly detect recursion during entity expansion.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to cause a denial of service (memory consumption and persistent
  application hang) via a crafted XML document.");

  script_tag(name:"affected", value:"Microsoft Outlook 2011 on Mac OS X.");

  script_tag(name:"solution", value:"A workaround is to add a rule blocking
  XML DTD Entities ('<!ENTITY', case-insensitive) to your spam filter. Creating
  an Outlook rule to permanently delete messages containing '<!ENTITY' also
  mitigates the attack.");

  script_tag(name:"solution_type", value:"Mitigation");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/archive/1/531722/100/0/threaded");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/78020");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Mac OS X Local Security Checks");
  script_dependencies("gb_microsoft_office_detect_macosx.nasl");
  script_mandatory_keys("MS/Office/MacOSX/Ver");
  exit(0);
}


include("version_func.inc");

if(!offVer = get_kb_item("MS/Office/MacOSX/Ver")){
  exit(0);
}

if(offVer =~ "^(14\.)")
{
  report = report_fixed_ver(installed_version: offVer, fixed_version: "Mitigation");
  security_message(data:report);
  exit(0);
}