Opera < 7.54 location Object Crafted URL Arbitrary Local File Access

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
 script_id(14261);
 script_version("1.19");

 script_cve_id("CVE-2004-2570");
 script_bugtraq_id(10873);

 script_name(english:"Opera < 7.54 location Object Crafted URL Arbitrary Local File Access");

 script_set_attribute(attribute:"synopsis", value:
"The remote host contains a web browser that is affected by 
multiple flaws." );
 script_set_attribute(attribute:"description", value:
"The version of Opera on the remote host fails to block write access to
the 'location' object.  This could allow a user to create a specially
crafted URL to overwrite methods within the 'location' object that would
execute arbitrary code in a user's browser within the trust relationship
between the browser and the server, leading to a loss of confidentiality
and integrity." );
 script_set_attribute(attribute:"see_also", value:"http://www.greymagic.com/security/advisories/gm008-op/" );
 script_set_attribute(attribute:"see_also", value:"http://web.archive.org/web/20170706171807/http://www.opera.com/docs/changelogs/windows/754/" );
 script_set_attribute(attribute:"solution", value:
"Upgrade to Opera 7.54 or newer." );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
 script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
 script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
 script_set_attribute(attribute:"exploit_available", value:"false");

 script_set_attribute(attribute:"plugin_publication_date", value: "2004/08/12");
 script_set_attribute(attribute:"vuln_publication_date", value: "2004/08/05");
 script_cvs_date("Date: 2018/11/15 20:50:28");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:opera:opera_browser");
script_end_attributes();

 script_summary(english:"Determines the version of Opera.exe");
 script_category(ACT_GATHER_INFO);
 script_copyright(english:"This script is Copyright (C) 2004-2018 Tenable Network Security, Inc.");
 script_family(english:"Windows");
 script_dependencies("opera_installed.nasl");
 script_require_keys("SMB/Opera/Version");
 exit(0);
}

#

include("global_settings.inc");


version_ui = get_kb_item("SMB/Opera/Version_UI");
version = get_kb_item("SMB/Opera/Version");
if (isnull(version)) exit(0);

ver = split(version, sep:'.', keep:FALSE);
for (i=0; i<max_index(ver); i++)
  ver[i] = int(ver[i]);

if (
  ver[0] < 7 ||
  (ver[0] == 7 && ver[1] < 54)
)
{
  if (report_verbosity && version_ui)
  {
    report = string(
      "\n",
      "Opera ", version_ui, " is currently installed on the remote host.\n"
    );
    security_warning(port:get_kb_item("SMB/transport"), extra:report);
  }
  else security_warning(get_kb_item("SMB/transport"));
}