CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
AI Score
Confidence
Low
EPSS
Percentile
99.3%
The file viewcode.asp is a default IIS files which can give a
malicious user a lot of unnecessary information about your file system or source files.
Specifically, viewcode.asp can allow a remote user to potentially read any file on a webserver
hard drive.
Example: http://example.com/pathto/viewcode.asp?source=../../../../../../autoexec.bat
# SPDX-FileCopyrightText: 2000 John Lampe
# 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:internet_information_services";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.10576");
script_version("2023-10-10T05:05:41+0000");
script_cve_id("CVE-1999-0737");
script_tag(name:"last_modification", value:"2023-10-10 05:05:41 +0000 (Tue, 10 Oct 2023)");
script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
script_name("Microsoft IIS Dangerous Default Files - Active Check");
script_category(ACT_GATHER_INFO);
script_family("Web Servers");
script_copyright("Copyright (C) 2000 John Lampe");
script_dependencies("gb_microsoft_iis_http_detect.nasl");
script_require_ports("Services/www", 80);
script_mandatory_keys("microsoft/iis/http/detected");
script_tag(name:"solution", value:"If you do not need these files, then delete them, otherwise
use suitable access control lists to ensure that the files are not world-readable.");
script_tag(name:"summary", value:"The file viewcode.asp is a default IIS files which can give a
malicious user a lot of unnecessary information about your file system or source files.
Specifically, viewcode.asp can allow a remote user to potentially read any file on a webserver
hard drive.
Example: http://example.com/pathto/viewcode.asp?source=../../../../../../autoexec.bat");
script_tag(name:"solution_type", value:"Mitigation");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
exit(0);
}
include("http_func.inc");
include("http_keepalive.inc");
include("list_array_func.inc");
include("host_details.inc");
if(!port = get_app_port(cpe:CPE, service:"www"))
exit(0);
if(!get_app_location(cpe:CPE, port:port, nofork:TRUE))
exit(0);
urls = make_list(
"/Sites/Knowledge/Membership/Inspired/ViewCode.asp",
"/Sites/Knowledge/Membership/Inspiredtutorial/Viewcode.asp",
"/Sites/Samples/Knowledge/Membership/Inspired/ViewCode.asp",
"/Sites/Samples/Knowledge/Membership/Inspiredtutorial/ViewCode.asp",
"/Sites/Samples/Knowledge/Push/ViewCode.asp",
"/Sites/Samples/Knowledge/Search/ViewCode.asp",
"/SiteServer/Publishing/viewcode.asp");
list = "";
foreach url(urls) {
if(http_is_cgi_installed_ka(item:url, port:port)) {
list = string(list, "\n", url);
}
}
if(strlen(list)) {
report = "The following files were found on the remote web server:" + list;
security_message(port:port, data:report);
exit(0);
}
exit(99);