| code | #
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(110642);
script_version("1.2");
script_cvs_date("Date: 2019/11/04");
script_cve_id("CVE-2018-2768", "CVE-2018-2801", "CVE-2018-2806");
script_bugtraq_id(103815, 103816, 103819);
script_name(english:"Security Updates for Exchange (Jun 2018)");
script_summary(english:"Checks for Microsoft security updates.");
script_set_attribute(attribute:"synopsis", value:
"The Microsoft Exchange Server installed on the remote host is affected by multiple vulnerabilities.");
script_set_attribute(attribute:"description", value:
"The Microsoft Exchange Server installed on the remote host
is missing security updates. It is, therefore, affected by
multiple vulnerabilities");
# https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180010
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?819cd7a6");
# http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?76507bf8");
script_set_attribute(attribute:"solution", value:
"Microsoft has released the following security updates to address this issue:
-KB4295699
-KB4099855
-KB4099852");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:N/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:R/S:U/C:H/I:N/A:L");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-2768");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/06/19");
script_set_attribute(attribute:"patch_publication_date", value:"2018/06/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/06/22");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:exchange_server");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("microsoft_exchange_installed.nbin");
script_require_ports(139, 445, "Host/patch_management_checks");
exit(0);
}
include("audit.inc");
include("smb_func.inc");
include("smb_hotfixes.inc");
include("smb_hotfixes_fcheck.inc");
include("misc_func.inc");
include("install_func.inc");
appname = 'Microsoft Exchange';
port = kb_smb_transport();
kbs = [
'KB4295699',
'KB4099855',
'KB4099852'
];
report = '';
# Check install and determine fixed version
install = get_single_install(app_name:appname);
path = install["path"];
version = install["version"];
release = install["RELEASE"];
if (release != 140 && release != 150 && release != 151)
audit(AUDIT_INST_VER_NOT_VULN, appname, version);
if (!empty_or_null(install["SP"]))
sp = install["SP"];
if (!empty_or_null(install["CU"]))
cu = install["CU"];
if (release == 140) # Exchange Server 2010 SP3
{
fixedver = "14.3.411.0";
kb = kbs[0];
}
else if (release == 150) # Exchange Server 2013
{
fixedver = "15.0.1395.4";
kb = kbs[1];
}
else if (release == 151) # Exchange Server 2016
{
fixedver = "15.1.1531.3";
kb = kbs[2];
}
if (!fixedver)
audit(AUDIT_HOST_NOT, 'affected');
# Check version of binary to verify
if ( hcf_init == 0 )
{
if(hotfix_check_fversion_init() != HCF_OK)
exit(0, "Could not start an SMB session");
}
dir_path = hotfix_append_path(path:path, value:'Bin');
exe_path = hotfix_append_path(path:dir_path, value:'ExSetup.exe');
if ( hotfix_file_exists(path:exe_path) &&
hotfix_check_fversion(file:"ExSetup.exe", path:dir_path, version:fixedver) == HCF_OLDER )
{
report =
'\n Path : ' + exe_path +
'\n Installed version : ' + version +
'\n Fixed version : ' + fixedver +
'\n Patch : ' + kb +
'\n';
}
hotfix_check_fversion_end();
if ( report != '' )
security_report_v4(port:port, severity:SECURITY_WARNING, extra:report);
else
audit(AUDIT_INST_VER_NOT_VULN, appname);
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