Cisco Webex Meetings DLL Injection (cisco-sa-webex-dll-inject-XNmcSGTU)

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##

include('deprecated_nasl_level.inc');

include('compat.inc');

if (description)
{
  script_id(150849);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/06/21");

  script_cve_id("CVE-2021-1536");
  script_xref(name:"IAVA", value:"2021-A-0282");
  script_xref(name:"CISCO-BUG-ID", value:"CSCvw48667");
  script_xref(name:"CISCO-BUG-ID", value:"CSCvw79311");
  script_xref(name:"CISCO-BUG-ID", value:"CSCvw79321");
  script_xref(name:"CISCO-SA", value:"cisco-sa-webex-dll-inject-XNmcSGTU");

  script_name(english:"Cisco Webex Meetings DLL Injection (cisco-sa-webex-dll-inject-XNmcSGTU)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, Cisco Webex Meetings is affected by an dll injection vulnerability due to 
incorrect handling of directory paths at run time. An authenticated, local attacker can exploit this, by inserting a 
configuration file in a specific path in the system, to execute arbitrary code with the privileges of another user 
account.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-dll-inject-XNmcSGTU
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?789eac9e");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw48667");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw79311");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw79321");
  script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvw48667, CSCvw79311, CSCvw79321");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-1536");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_cwe_id(427);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/06/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/06/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/06/17");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:webex_meetings");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2021 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("cisco_webex_meetings_win_installed.nbin");
  script_require_keys("installed_sw/Cisco Webex Meetings");

  exit(0);
}

include('vcf.inc');

var app_info = vcf::get_app_info(app:'Cisco Webex Meetings', win_local:TRUE);

vcf::check_granularity(app_info:app_info, sig_segments:3);
var constraints = [
     {'min_version': '0.0',  'fixed_version' :'41.1.5.11' },
     {'min_version': '41.2',  'fixed_version' : '41.2.9.23' }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);