Security Updates for Outlook (June 2021)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from the Microsoft Security Updates API. The text
# itself is copyright (C) Microsoft Corporation.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(150351);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/27");

  script_cve_id("CVE-2021-31949");
  script_xref(name:"MSKB", value:"5001942");
  script_xref(name:"MSKB", value:"5001934");
  script_xref(name:"MSFT", value:"MS21-5001942");
  script_xref(name:"MSFT", value:"MS21-5001934");
  script_xref(name:"IAVA", value:"2021-A-0276-S");

  script_name(english:"Security Updates for Outlook (June 2021)");

  script_set_attribute(attribute:"synopsis", value:
"The Microsoft Outlook application installed on the remote host is affected by a remote code execution vulnerability.");
  script_set_attribute(attribute:"description", value:
"The Microsoft Outlook application installed on the remote host is missing security updates. It is, therefore, affected
by a remote code execution vulnerability. An authenticated, remote attacker can exploit this to execute arbitrary code
on an affected system.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://support.microsoft.com/en-us/help/5001942");
  script_set_attribute(attribute:"see_also", value:"https://support.microsoft.com/en-us/help/5001934");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released the following security updates to address this issue:  
  -KB5001934
  -KB5001942
  
For Office 365, Office 2016 C2R, or Office 2019, ensure automatic updates are enabled or open any office app and
manually perform an update.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/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:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-31949");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/06/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/06/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/06/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:outlook");
  script_set_attribute(attribute:"stig_severity", value:"II");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("office_installed.nasl", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl");
  script_require_keys("SMB/MS_Bulletin_Checks/Possible");
  script_require_ports(139, 445, "Host/patch_management_checks");

  exit(0);
}

include('smb_func.inc');
include('smb_hotfixes.inc');
include('smb_hotfixes_fcheck.inc');
include('smb_reg_query.inc');

get_kb_item_or_exit('SMB/MS_Bulletin_Checks/Possible');

var bulletin = 'MS21-06';
var kbs = make_list(
  '5001942',
  '5001934'
);

if (get_kb_item('Host/patch_management_checks'))
  hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_WARNING);

get_kb_item_or_exit('SMB/Registry/Enumerated', exit_code:1);

var port = kb_smb_transport();

var checks = make_array(
  '15.0', make_array('sp', 1, 'version', '15.0.5353.1000', 'kb', '5001934'),
  '16.0', make_nested_list(
    make_array('sp', 0, 'version', '16.0.5173.1000', 'channel', 'MSI', 'kb', '5001947'),
    make_array('version', '16.0.13127.21668', 'channel', 'Deferred','channel_version', '2008'),
    make_array('version', '16.0.12527.21952', 'channel', 'Deferred'),
    make_array('version', '16.0.13901.20554', 'channel', 'Enterprise Deferred', 'channel_version', '2103'),
    make_array('version', '16.0.13929.20408', 'channel', 'Enterprise Deferred'),
    make_array('version', '16.0.13801.20738', 'channel', 'First Release for Deferred'),
    make_array('version', '16.0.14026.20270', 'channel', 'Current'),
    make_array('version', '16.0.10375.20036', 'channel', '2019 Volume'),
    make_array('version', '16.0.14026.20270', 'channel', '2019 Retail')
  )
);

if (hotfix_check_office_product(product:'Outlook', checks:checks, bulletin:bulletin))
{
  replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
  hotfix_security_warning();
  hotfix_check_fversion_end();
  exit(0);
}
else
{
  hotfix_check_fversion_end();
  audit(AUDIT_HOST_NOT, 'affected');
}