| code | #
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(103221);
script_version("1.2");
script_cvs_date("Date: 2019/11/12");
script_cve_id("CVE-2017-3104", "CVE-2017-3105");
script_bugtraq_id(100707, 100709);
script_xref(name:"IAVB", value:"2017-B-0122");
script_name(english:"Adobe RoboHelp Multiple Vulnerabilities (APSB17-25)");
script_summary(english:"Checks for APSB17-25 patches");
script_set_attribute(attribute:"synopsis", value:
"An application installed on the remote host is affected by
multiple vulnerabilities.");
script_set_attribute(attribute:"description", value:
"The version of Adobe RoboHelp installed on the remote Windows host is
affected by multiple vulnerabilities, including a cross-site scripting
(XSS) vulnerability as well as an unvalidated URL redirect
vulnerability.");
script_set_attribute(attribute:"see_also", value:"https://helpx.adobe.com/security/products/robohelp/apsb17-25.html");
script_set_attribute(attribute:"solution", value:
"Apply the appropriate fix according to the instructions in Adobe
Security Bulletin APSB17-25.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2017-3105");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2017/09/12");
script_set_attribute(attribute:"patch_publication_date", value:"2017/09/12");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/09/14");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:adobe:robohelp");
script_set_attribute(attribute:"stig_severity", value:"II");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("robohelp_installed.nasl");
script_require_keys("SMB/Registry/Enumerated", "installed_sw/Adobe RoboHelp");
script_require_ports(139, 445);
exit(0);
}
include("audit.inc");
include("smb_func.inc");
include("smb_hotfixes.inc");
include("smb_hotfixes_fcheck.inc");
include("misc_func.inc");
include("install_func.inc");
# Used for reporting
global_var port = kb_smb_transport();
function robohelp_check_file(file, path)
{
local_var patch, nopatch, login, domain, pass, share;
local_var rc, fh, size, text, vuln, off;
vuln = FALSE;
if (file =~ "ehlpdhtm\.js")
{
patch = '" + window.getFilePath() +"';
nopatch = '" + location +"';
}
if (file =~ "whphost\.js")
{
patch = "gsPath=_getPath(decodeURI(location.href));";
nopatch = "gsPath=gsPath.substring(0,nPosFile+1);";
}
login = kb_smb_login();
pass = kb_smb_password();
domain = kb_smb_domain();
if(! smb_session_init()) audit(AUDIT_FN_FAIL, "smb_session_init");
share = ereg_replace(pattern:"^([A-Za-z]):.*", replace:"\1$", string:path);
rc = NetUseAdd(login:login, password:pass, domain:domain, share:share);
if (rc != 1)
{
NetUseDel();
audit(AUDIT_SHARE_FAIL, share);
}
fh = CreateFile(
file:file,
desired_access:GENERIC_READ,
file_attributes:FILE_ATTRIBUTE_NORMAL,
share_mode:FILE_SHARE_READ,
create_disposition:OPEN_EXISTING
);
if (!isnull(fh))
{
size = GetFileSize(handle:fh);
if (size)
{
off = 0;
while (off < size)
{
text = ReadFile(handle:fh, length:10240, offset:off);
if (strlen(text) == 0) break;
if ( (patch >!< text) && (nopatch >< text) )
{
vuln = TRUE;
break;
}
off += 10240;
}
}
CloseFile(handle:fh);
}
NetUseDel();
return vuln;
}
get_kb_item_or_exit("SMB/Registry/Enumerated");
app = "Adobe RoboHelp";
install = get_single_install(app_name:app, exit_if_unknown_ver:TRUE);
version = install['version'];
path = install['path'];
patched = FALSE;
report = NULL;
# Robohelp 13.x (2017)
if (version =~ "^13\.")
{
exe_path = hotfix_append_path(path:path, value:"RoboHTML\RoboHTML.exe");
fver = hotfix_get_fversion(path:exe_path);
hotfix_handle_error(error_code:fver['error'], file:exe_path, appname:app, exit_on_fail:TRUE);
hotfix_check_fversion_end();
ver = join(fver['value'], sep:'.');
fixed_version = '13.0.0.257';
if (ver_compare(ver:ver, fix:fixed_version) < 0)
{
report +=
'\n Installed version : ' + ver +
'\n Fixed version : ' + fixed_version +
'\n';
}
else
audit(AUDIT_INST_PATH_NOT_VULN, app, version, path);
}
# RoboHelp 12.x (2015)
else if (version =~ "^12\.")
{
files = make_array();
files["ehlpdhtm.js"]["path"] = "RoboHTML\";
files["ehlpdhtm.js"]["patch"] = "ehlpdhtm.zip";
files["whphost.js"]["path"] = "RoboHTML\WebHelp5Ext\template_stock\";
files["whphost.js"]['patch'] = "webhelp5ext.zip";
foreach file (keys(files))
{
file_loc = ereg_replace(
pattern : "^[A-Za-z]:(.*)",
replace : "\1"+files[file]["path"]+file,
string : path
);
vuln_install = robohelp_check_file(file : file_loc, path : path);
if (vuln_install)
{
report +=
'\n File Checked : ' + file +
'\n Patch Required : ' + files[file]['patch'] +
'\n';
}
}
}
else if (version =~ "^([0-9]|10|11)\.")
{
report +=
'\n RoboHelp Version : ' + version +
'\n Fix : Refer to Adobe support for patch / upgrade instructions'+
'\n';
}
if (!isnull(report))
{
if (version =~ "^12\.")
myreport = '\n Patch Instructions : https://helpx.adobe.com/robohelp/kb/security-vulnerability-webhelp.html' + report;
else myreport = report;
security_report_v4(
severity : SECURITY_WARNING,
port : port,
extra : myreport,
xss : TRUE
);
exit(0);
}
else
audit(AUDIT_INST_PATH_NOT_VULN, app, version, path);
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