9.3 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
6.4 Medium
AI Score
Confidence
Low
0.012 Low
EPSS
Percentile
85.3%
Malwarebytes Anti-Malware is prone to man in the middle attack through it
# SPDX-FileCopyrightText: 2015 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:malwarebytes:malwarebytes_anti-malware";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.805402");
script_version("2024-02-29T05:05:39+0000");
script_cve_id("CVE-2014-4936");
script_tag(name:"cvss_base", value:"9.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_tag(name:"last_modification", value:"2024-02-29 05:05:39 +0000 (Thu, 29 Feb 2024)");
script_tag(name:"creation_date", value:"2015-01-02 11:26:06 +0530 (Fri, 02 Jan 2015)");
script_name("Malwarebytes Anti-Malware < 2.0.3 'Upgrade' Man-In-The-Middle Vulnerability - Windows");
script_tag(name:"summary", value:"Malwarebytes Anti-Malware is prone to man in the middle attack through it's upgrade functionality.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"MBAM client does not verify the actual
installer it downloads. This is combined with the fact that MBAM starts the
new client installer with full administrative privileges.");
script_tag(name:"impact", value:"Successful exploitation will allow
remote attackers to execute arbitrary code by spoofing the update server
and uploading an executable.");
script_tag(name:"affected", value:"Malwarebytes Anti-Malware
(MBAM) Consumer versions before 2.0.3 on Windows");
script_tag(name:"solution", value:"Upgrade to version 2.0.3 or
later.");
script_tag(name:"solution_type", value:"VendorFix");
script_xref(name:"URL", value:"https://github.com/0x3a/CVE-2014-4936");
script_xref(name:"URL", value:"http://blog.0x3a.com/post/104954032239/cve-2014-4936-malwarebytes-anti-malware-and");
script_category(ACT_GATHER_INFO);
script_tag(name:"qod_type", value:"registry");
script_family("General");
script_copyright("Copyright (C) 2015 Greenbone AG");
script_dependencies("gb_malwarebytes_anti_malware_detect_win.nasl");
script_mandatory_keys("Malwarebytes/Anti-Malware/Win/Installed");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if(!mbversion = get_app_version(cpe:CPE)){
exit(0);
}
if(version_is_less(version:mbversion, test_version:"2.0.3"))
{
report = report_fixed_ver(installed_version:mbversion, fixed_version:"2.0.3");
security_message(port: 0, data: report);
exit(0);
}