CVE-2021-30946: Input Validation

Published Aug 24, 2021
·
Updated

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2. A malicious application may be able to bypass certain Privacy preferences.

Other sources

apache. Multiple issues were addressed by updating apache to version 2.4.53.

Apple

AppKit. A logic issue was addressed with improved validation.

Apple

AppleAVD. An out-of-bounds write issue was addressed with improved bounds checking.

Apple

AppleEvents. A use after free issue was addressed with improved memory management.

Apple

AppleGraphicsControl. A memory corruption issue was addressed with improved input validation.

Apple

Credit

@@gorelics, Ron Masas(BreakPoint), @@gorelics(BreakPoint), (BreakPoint), an anonymous researcher, Liu Long(Ant Security Light), Jack Dates(RET2 Systems Inc), Antonio Zekic@@antoniozekic, Jeonghoon Shin(Theori working with Trend Micro Zero Day Initiative), Peter Nguyễn Vũ Hoàng@@peternguyen14(STAR Labs), Ned Williamson(Google Project Zero), Wojciech Reguła@@_r3ggi(SecuRing), Arsenii Kostromin (0x3c3e)(Microsoft), Jonathan Bar Or(Microsoft), Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab), Yuebin Sun@@yuebinsun2020(Tencent Security Xuanwu Lab), Max Shavrick@@_mxms(the Google Security Team), Zubair Ashraf(Crowdstrike), CVE-2022-0778, CVE-2022-23308, Mickey Jin@@patch1t, @@gorelics, Linus Henze(Pinauten GmbH), Peter Nguyễn Vũ Hoàng(STAR Labs), Felix Poulin-Belanger, Antonio Cheong Yu Xuan(YCISCQ), Arsenii Kostromin (0x3c3e), CVE-2021-4136, CVE-2021-4166, CVE-2021-4173, CVE-2021-4187, CVE-2021-4192, CVE-2021-4193, CVE-2021-46059, CVE-2022-0128, Heige(KnownSec 404 Team), Bo Qu(Palo Alto Networks), Scarlet Raine, Wang Yu(Cyberserval), CVE-2022-0530, Tavis Ormandy, CVE-2021-45444, Yonghwi Jin@@jinmo123(Theori), Lockheed Martin Red Team, Jeremy Brown(Trend Micro Zero Day Initiative), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Qi Sun(Trend Micro), Ye Zhang@@co0py_Cat(Baidu Security), Robert Ai(Trend Micro), CVE-2021-44224, CVE-2021-44790, CVE-2022-22719, CVE-2022-22720, CVE-2022-22721

Affected Software

13 affected componentsFixes available
Apple macOS Big Sur<11.6.2
11.6.2
Apple macOS Big Sur<11.6.8
11.6.8
Apple Catalina
Apple WatchOS<8.3
8.3
Apple WatchOS<8.5
8.5
Apple macOS Monterey<12.1
12.1
Apple iOS<15.2
15.2
Apple iPadOS<15.2
15.2
Apple iPadOS<15.2
Apple iPhone OS<15.2
Apple macOS>=11.0<11.6.2
Apple macOS>=12.0<12.1
Apple WatchOS<8.3

Event History

Aug 24, 2021
CVE Published
via MITRE·06:50 PM
Data Sourced
via MITRE·06:50 PM
DescriptionWeakness
May 16, 2022
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Description

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2021-30946?

CVE-2021-30946 is a logic issue that was addressed with improved restrictions.

2

How severe is CVE-2021-30946?

CVE-2021-30946 has a severity rating of medium (5.5).

3

Which products are affected by CVE-2021-30946?

CVE-2021-30946 affects macOS Monterey 12.1, macOS Big Sur 11.6.2, watchOS 8.3, iOS 15.2, and iPadOS 15.2.

4

How can a malicious application exploit CVE-2021-30946?

A malicious application may be able to bypass certain Privacy preferences.

5

How can I fix CVE-2021-30946?

CVE-2021-30946 is fixed in macOS Monterey 12.1, macOS Big Sur 11.6.2, watchOS 8.3, iOS 15.2, and iPadOS 15.2. Update your devices to the latest available version.

Contact

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