Detections
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macOS 11.x < 11.6.1 (HT212872)

high Nessus Plugin ID 154717

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Synopsis

The remote host is missing a macOS security update.

Description

The remote host is running a version of macOS / Mac OS X that is 11.x prior to 11.6.1 Big Sur. It is, therefore, affected by multiple vulnerabilities including the following:

 - A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges. (CVE-2021-30899)

 - A memory corruption issue existed in the processing of ICC profiles. This issue was addressed with improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1.
 Processing a maliciously crafted image may lead to arbitrary code execution. (CVE-2021-30917)

 - An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted PDF may lead to arbitrary code execution. (CVE-2021-30919)

Note that Nessus has not tested for these issues but has instead relied only on the operating system's self-reported version number.

Solution

Upgrade to macOS 11.6.1 or later.

See Also

https://support.apple.com/en-us/HT212872

Plugin Details

Severity: High

ID: 154717

File Name: macos_HT212872.nasl

Version: 1.9

Type: local

Agent: macosx

Published: 10/29/2021

Updated: 5/28/2024

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 7.7

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2021-30916

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.2

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

CVSS Score Source: CVE-2021-30919

Vulnerability Information

CPE: cpe:/o:apple:macos:11.0, cpe:/o:apple:mac_os_x:11.0

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/25/2021

Vulnerability Publication Date: 10/25/2021

CISA Known Exploited Vulnerability Due Dates: 6/13/2022

Reference Information

CVE: CVE-2021-30821, CVE-2021-30824, CVE-2021-30868, CVE-2021-30876, CVE-2021-30877, CVE-2021-30879, CVE-2021-30880, CVE-2021-30881, CVE-2021-30883, CVE-2021-30892, CVE-2021-30899, CVE-2021-30901, CVE-2021-30906, CVE-2021-30907, CVE-2021-30908, CVE-2021-30909, CVE-2021-30910, CVE-2021-30911, CVE-2021-30912, CVE-2021-30913, CVE-2021-30915, CVE-2021-30916, CVE-2021-30917, CVE-2021-30919

APPLE-SA: APPLE-SA-2021-10-26-4, HT212872

IAVA: 2021-A-0505-S