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nessusThis script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.MACOS_HT212220.NASL
HistoryMar 11, 2021 - 12:00 a.m.

macOS 11.x < 11.2.3 (HT212220)

2021-03-1100:00:00
This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
22

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

9.5

Confidence

High

EPSS

0.002

Percentile

60.0%

The remote host is running a version of macOS / Mac OS X that is 11.x prior to 11.2.3 Big Sur. It is, therefore, affected by a memory corruption issue due to insufficient validation. An attacker can exploit this with crafted web content to cause arbitrary code execution.

Note that Nessus has not tested for this issue but has instead relied only on the operating system’s self-reported version number.

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

include('compat.inc');

if (description)
{
  script_id(147658);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/28");

  script_cve_id("CVE-2021-1844");
  script_xref(name:"APPLE-SA", value:"HT212220");
  script_xref(name:"APPLE-SA", value:"APPLE-SA-2021-03-08-2");
  script_xref(name:"IAVA", value:"2021-A-0126-S");

  script_name(english:"macOS 11.x < 11.2.3 (HT212220)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is missing a macOS security update.");
  script_set_attribute(attribute:"description", value:
"The remote host is running a version of macOS / Mac OS X that is 11.x prior to 11.2.3 Big Sur. It is, therefore,
affected by a memory corruption issue due to insufficient validation. An attacker can exploit this with crafted web
content to cause arbitrary code execution.

Note that Nessus has not tested for this issue but has instead relied only on the operating system's self-reported
version number.");
  script_set_attribute(attribute:"see_also", value:"https://support.apple.com/en-us/HT212220");
  script_set_attribute(attribute:"solution", value:
"Upgrade to macOS 11.2.3 or later.");
  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:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/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-2021-1844");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/03/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/03/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/03/11");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:apple:mac_os_x:11.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:apple:macos:11.0");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"MacOS X Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_ports("Host/MacOSX/Version", "Host/local_checks_enabled", "Host/MacOSX/packages/boms");

  exit(0);
}

include('vcf.inc');
include('vcf_extras_apple.inc');

app_info = vcf::apple::macos::get_app_info();

constraints = [
  { 'min_version' : '11.0', 'fixed_version' : '11.2.3', 'fixed_display' : 'macOS Big Sur 11.2.3' }
];

vcf::apple::macos::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);
VendorProductVersionCPE
applemacos11.0cpe:/o:apple:macos:11.0
applemac_os_x11.0cpe:/o:apple:mac_os_x:11.0

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

9.5

Confidence

High

EPSS

0.002

Percentile

60.0%