SB2021121432 - Multiple vulnerabilities in Apple iOS 15 and iPadOS 15



SB2021121432 - Multiple vulnerabilities in Apple iOS 15 and iPadOS 15

Published: December 14, 2021 Updated: March 5, 2026

Security Bulletin ID SB2021121432
CSH Severity
High
Patch available
YES
Number of vulnerabilities 50
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 30% Medium 10% Low 60%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 50 vulnerabilities.


1) Improper access control (CVE-ID: CVE-2021-30947)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to gain unauthorized access to otherwise restricted information.

The vulnerability exists due to improper access restrictions within Sandbox implementation. A local application can bypass implemented security restrictions and access user's files.


2) Out-of-bounds read (CVE-ID: CVE-2021-30941)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem when processing USD files. A remote attacker can create a specially crafted USD file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.


3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30967)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to permissions issue in NetworkExtension. A local application can read sensitive information.


4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30988)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to permissions issue in NetworkExtension. A local application can identify, which other applications are installed on the system.


5) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30932)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to gain access to sensitive information.

The vulnerability exists due to incorrect permissions logic in the Notes application. An attacker with physical access to device can access contacts from the lock screen.


6) Multiple Interpretations of UI Input (CVE-ID: CVE-2021-30948)

CWE-ID: CWE-450 - Multiple Interpretations of UI Input

CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows an attacker to gain access to sensitive information.

The vulnerability exists due to an inconsistent user interface issue in Password Manager application. An attacker with physical access to device can access stored passwords without authentication.


7) Race condition (CVE-ID: CVE-2021-30995)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the Preferences feature. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.


8) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30968)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to a validation issue in the Sandbox feature, related to hard link behavior. A malicious application can bypass certain Privacy preferences.


9) Security restrictions bypass (CVE-ID: CVE-2021-30946)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to a logic issue in the Sandbox feature. A malicious application can bypass certain Privacy preferences.


10) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30767)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to a logic issue in the TCC feature. A local user can modify protected parts of the file system.


11) Buffer overflow (CVE-ID: CVE-2021-30979)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing USD or ABC files within the Model I/O subsystem. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


12) Insecure Inherited Permissions (CVE-ID: CVE-2021-30964)

CWE-ID: CWE-277 - Insecure inherited permissions

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to insecure permissions inheritance in TCC feature. A malicious application can to bypass Privacy preferences.



13) Buffer overflow (CVE-ID: CVE-2021-30934)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


14) Use-after-free (CVE-ID: CVE-2021-30936)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in WebKit when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


15) Use-after-free (CVE-ID: CVE-2021-30951)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in WebKit when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


16) Integer overflow (CVE-ID: CVE-2021-30952)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in WebKit. A remote attacker can trick the victim to visit a specially crafted web page, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


17) Race condition (CVE-ID: CVE-2021-30984)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a race condition in WebKit. A local user can trick the victim to visit a specially crafted website, trigger a race condition and execute arbitrary code on the system.


18) Out-of-bounds read (CVE-ID: CVE-2021-30953)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing HTML content in WebKit. A remote attacker can create a specially crafted website, trick the victim into opening it using the affected software, trigger out-of-bounds read error and execute arbitrary code on the target system.


19) Type Confusion (CVE-ID: CVE-2021-30954)

CWE-ID: CWE-843 - Type confusion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error in WebKit. A remote attacker can trick the victim to visit a specially crafted website, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


20) Out-of-bounds read (CVE-ID: CVE-2021-30940)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem when processing USD files. A remote attacker can create a specially crafted USD file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.


21) Out-of-bounds write (CVE-ID: CVE-2021-30929)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing USD files within the Model I/O subsystem. A remote attacker can create a specially crafted USD file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.


22) Out-of-bounds read (CVE-ID: CVE-2021-30960)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Audio subsystem. A remote attacker can create a specially crafted audio file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.


23) Race condition (CVE-ID: CVE-2021-30996)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition within the IOMobileFrameBuffer subsystem. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.


24) Information disclosure (CVE-ID: CVE-2021-30966)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a logic error in the CFNetwork Proxies implementation. User's traffic can be unexpectedly leaked to a proxy server despite PAC configurations.


25) Buffer overflow (CVE-ID: CVE-2021-30926)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in ColorSync when processing ICC profiles in images. A remote attacker can create a specially crafted image, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


26) Buffer overflow (CVE-ID: CVE-2021-30942)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in ColorSync when processing ICC profiles in images. A remote attacker can create a specially crafted image, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


27) Buffer overflow (CVE-ID: CVE-2021-30957)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in CoreAudio when processing media files. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


28) Out-of-bounds read (CVE-ID: CVE-2021-30958)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing media files in CoreAudio. A remote attacker can create a specially crafted media file, trick the victim into opening it using the affected software, trigger an out-of-bounds read error and execute arbitrary code on the target system.


29) Input validation error (CVE-ID: CVE-2021-30945)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Crash Reporter. A local user can pass specially crafted input to the system and escalate privileges.


30) Information disclosure (CVE-ID: CVE-2021-30992)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in FaceTime. A user in a FaceTime call may unexpectedly leak sensitive user information through Live Photos metadata.


31) Out-of-bounds read (CVE-ID: CVE-2021-30939)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing DDS images in ImageIO. A remote attacker can create a specially crafted image file, trick the victim into opening it using the affected software, trigger out-of-bounds read error and execute arbitrary code on the target system.


32) Buffer overflow (CVE-ID: CVE-2021-30983)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear


The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error in IOMobileFrameBuffer. A local application can trigger a buffer overflow and execute arbitrary code with kernel privileges.


33) Out-of-bounds read (CVE-ID: CVE-2021-30973)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.


34) Out-of-bounds write (CVE-ID: CVE-2021-30985)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error in IOMobileFrameBuffer. A local application can execute arbitrary code with kernel privileges.


35) Out-of-bounds read (CVE-ID: CVE-2021-30991)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error in IOMobileFrameBuffer. A local application can execute arbitrary code with kernel privileges.


36) Buffer overflow (CVE-ID: CVE-2021-30937)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the OS kernel subsystem. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with kernel privileges.


37) Use-after-free (CVE-ID: CVE-2021-30927)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the OS kernel subsystem. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with kernel privileges.

38) Use-after-free (CVE-ID: CVE-2021-30980)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the OS kernel subsystem. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with kernel privileges.

39) Buffer overflow (CVE-ID: CVE-2021-30949)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the OS kernel subsystem. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with kernel privileges.


40) Buffer overflow (CVE-ID: CVE-2021-30993)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the OS kernel. A remote attacker on the local network can send specially crafted traffic to the system, trigger memory corruption and execute arbitrary code.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


41) Race condition (CVE-ID: CVE-2021-30955)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the OS kernel. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.


42) Out-of-bounds write (CVE-ID: CVE-2021-30971)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing USD files within the Model I/O subsystem. A remote attacker can create a specially crafted USD file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.


43) Cryptographic issues (CVE-ID: CVE-2021-30997)

CWE-ID: CWE-310 - Cryptographic Issues

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to recover encrypted information.

The vulnerability exists due to an error when handling encrypted email within Mail application. A remote attacker can recover plaintext contents of an S/MIME-encrypted emails.



44) Security features bypass (CVE-ID: CVE-2021-30956)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows an attacker to gain access to sensitive information.

The vulnerability exists due to a lock screen issue in FaceTime. An attacker with physical access to device can obtain private contact information.


45) Information disclosure (CVE-ID: CVE-2021-30998)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Mail application when sending an S/MIME encrypted email using a certificate with more than one email address. A remote attacker can gain obtain user's email address.


46) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30943)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to a logic error in the Messages application. A remote user can leave a messages group but continue to receive messages in that group.


47) Information disclosure (CVE-ID: CVE-2021-30944)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to gain access to potentially sensitive information.

The vulnerability exists due to a logic error in SQLite implementation. A local application can access data from other apps by enabling additional logging.


48) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-31000)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to improper permissions management in Game Center. A local application can  read sensitive contact information.


49) Input validation error (CVE-ID: CVE-2021-31009)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to bypass implemented security restrictions.

Multiple security issues exist in the Model I/O subsystem, related to HDF5 support. A local user can bypass implemented security restrictions and gain unauthorized access to sensitive information.


50) Out-of-bounds read (CVE-ID: CVE-2021-31013)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in FontParser. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.


Remediation

Install update from vendor's website.