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
0.014 Low
EPSS
Percentile
86.7%
The remote host runs Xedus Peer-to-Peer web server. This version is vulnerable to a denial of service. An attacker could stop the web server from accepting user requests by establishing multiple connections from the same host.
#
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(14646);
script_version("1.24");
script_cve_id("CVE-2004-1644");
script_bugtraq_id(11071);
script_xref(name:"Secunia", value:"12418");
script_name(english:"Xedus Webserver Connection Saturation DoS");
script_set_attribute(attribute:"synopsis", value:
"The remote host is running a web server with a denial of
service vulnerability." );
script_set_attribute(attribute:"description", value:
"The remote host runs Xedus Peer-to-Peer web server. This version
is vulnerable to a denial of service. An attacker could stop the
web server from accepting user requests by establishing multiple
connections from the same host." );
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?beb4bd71" );
script_set_attribute(attribute:"solution", value:
"Upgrade to the latest version." );
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/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:N/S:U/C:N/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_publication_date", value: "2004/09/03");
script_set_attribute(attribute:"vuln_publication_date", value: "2004/08/30");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/12");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();
script_summary(english:"Checks for denial of service in Xedus");
script_category(ACT_DENIAL);
script_copyright(english:"This script is Copyright (C) 2004-2020 Tenable Network Security, Inc.");
script_dependencies("xedus_detect.nasl");
script_family(english:"Peer-To-Peer File Sharing");
script_require_ports("Services/www", 4274);
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http_func.inc");
port = get_http_port(default:4274, embedded:TRUE);
if ( ! get_kb_item("xedus/" + port + "/running")) exit(0);
if (! get_port_state(port)) audit(AUDIT_PORT_CLOSED, port);
soc = open_sock_tcp(port);
if (! soc) audit(AUDIT_SOCK_FAIL, port);
s[0] = soc;
for (i = 1; i < 50; i = i+1)
{
soc = open_sock_tcp(port);
if (! soc)
{
if (service_is_dead(port: port) > 0)
security_warning(port);
break;
}
sleep(1);
s[i] = soc;
}
for (j = 0; j < i; j=j+1) close(s[j]);