SB2022072102 - Multiple vulnerabilities in macOS Big Sur



SB2022072102 - Multiple vulnerabilities in macOS Big Sur

Published: July 21, 2022 Updated: May 15, 2023

Security Bulletin ID SB2022072102
Severity
High
Patch available
YES
Number of vulnerabilities 36
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 17% Medium 14% Low 69%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 36 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2022-32815)

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

The vulnerability exists due to a boundary error in OS kernel. A local application can trigger memory corruption and execute arbitrary code with root privileges.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-32848)

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

The vulnerability exists due to a logic issue in the Windows Server component. A local application can capture user’s screen.


3) Buffer overflow (CVE-ID: CVE-2022-32847)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary error in the Wi-Fi component. A remote attacker can send specially crafted traffic to the system, trigger memory corruption and perform a denial of service (DoS) attack.


4) Heap-based buffer overflow (CVE-ID: CVE-2022-0158)

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

The vulnerability exists due to a boundary error when processing lines that start with the "$" character. A remote attacker can trick the victim to open a specially crafted file, trigger heap-based buffer overflow and execute arbitrary code on the target system.

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


5) Use-after-free (CVE-ID: CVE-2022-0156)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing lines inside files. A remote attacker can trick the victim to open a specially crafted file, 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.


6) Security features bypass (CVE-ID: CVE-2022-32834)

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

The vulnerability exists due to an error in TCC. A local application can bypass implemented sandbox restrictions and gain access to sensitive information.


7) UNIX symbolic link following (CVE-ID: CVE-2022-26704)

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

The vulnerability exists due to a symlink following issue in Spotlight. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.


8) Input validation error (CVE-ID: CVE-2022-32807)

The vulnerability allows a local application to overwrite files on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Spindump. A local application can overwrite arbitrary files.


9) Cleartext transmission of sensitive information (CVE-ID: CVE-2022-32857)

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

The vulnerability exists due to Software Update uses insecure communication channel. A remote attacker on the local network can track user’s activity.


10) Out-of-bounds write (CVE-ID: CVE-2022-32843)

The vulnerability allows a remote attacker to compromise vulnerable system.

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


11) Information disclosure (CVE-ID: CVE-2022-32838)

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

The vulnerability exists due to a logic error in PluginKit. A local application can read arbitrary files on the system.


12) Input validation error (CVE-ID: CVE-2022-32800)

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

The vulnerability exists due to insufficient validation of user-supplied input when parsing environment variables in PackageKit. A local application can modify protected parts of the file system.


13) Input validation error (CVE-ID: CVE-2022-32786)

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

The vulnerability exists due to insufficient validation of user-supplied input when parsing environment variables in PackageKit. A local application can modify protected parts of the file system.


14) Memory leak (CVE-ID: CVE-2022-32823)

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

The vulnerability exists due memory leak in libxml2. A local application can gain access to sensitive information.


15) Buffer overflow (CVE-ID: CVE-2022-32813)

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

The vulnerability exists due to a boundary error in OS kernel. A local application can trigger memory corruption and execute arbitrary code with root privileges.

16) Buffer overflow (CVE-ID: CVE-2022-32811)

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

The vulnerability exists due to a boundary error in Intel Graphics driver. A local application can trigger memory corruption and execute arbitrary code with root privileges.



17) Buffer overflow (CVE-ID: CVE-2022-32832)

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

The vulnerability exists due to a boundary error within the AppleAPFSUserClient::methodDeltaCreateFinalize() method in APFS. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with root privileges.


18) Out-of-bounds write (CVE-ID: CVE-2022-32820)

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

The vulnerability exists due to a boundary error when processing untrusted input within he Audio component. A local application can trigger an out-of-bounds write error and execute arbitrary code with root privileges.


19) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-32826)

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

The vulnerability exists due to improperly imposed security restrictions in AppleMobileFileIntegrity. A local user can execute arbitrary code with root privileges.


20) Out-of-bounds read (CVE-ID: CVE-2022-32797)

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

The vulnerability exists due to a boundary condition within the TASUnparser_PrintObject in AppleScript.framework. A remote attacker can create a specially crafted SCPT 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 read (CVE-ID: CVE-2022-32853)

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

The vulnerability exists due to a boundary condition when handling AppleScript. 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.


22) Out-of-bounds read (CVE-ID: CVE-2022-32851)

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

The vulnerability exists due to a boundary condition when handling AppleScript. 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.


23) Out-of-bounds read (CVE-ID: CVE-2022-32831)

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

The vulnerability exists due to a boundary condition when handling AppleScript. 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.


24) Buffer overflow (CVE-ID: CVE-2022-32825)

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

The vulnerability exists due to a boundary error in Audio component. A local user can run a specially crafted program to trigger memory corruption and gain access to sensitive information.

25) Information disclosure (CVE-ID: CVE-2022-32805)

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

The vulnerability exists due to insecure cache implementation in Calendar component. A local application can gain unauthorized access to sensitive information on the system.


26) Buffer overflow (CVE-ID: CVE-2022-32812)

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

The vulnerability exists due to a boundary error in Intel Graphics driver. A local application can trigger memory corruption and execute arbitrary code with root privileges.



27) Information disclosure (CVE-ID: CVE-2022-32849)

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

The vulnerability exists due to excessive data output in iCloud Photo Library. A local application can gain unauthorized access to sensitive information on the system.


28) Buffer overflow (CVE-ID: CVE-2022-32839)

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

The vulnerability exists due to a boundary error in CoreText. A remote attacker can create a specially crafted document, 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.


29) Information disclosure (CVE-ID: CVE-2022-32781)

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

The vulnerability exists due to excessive data output in FaceTime. A local application can gain unauthorized access to sensitive information on the system.


30) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-32819)

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

The vulnerability exists due to improperly imposed security restrictions in File System Events. A local application can gain root privileges on the system.


31) Out-of-bounds write (CVE-ID: CVE-2022-32787)

The vulnerability allows a remote attacker to compromise vulnerable system.

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


32) NULL pointer dereference (CVE-ID: CVE-2022-32785)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in ImageIO. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


33) Input validation error (CVE-ID: CVE-2022-32910)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation when processing archives in Archive Utility. A remote attacker can trick the victim to open a specially crafted archive and bypass Gatekeeper protection features.

Successful exploitation of the vulnerability may lead to entire system compromise.


34) Type Confusion (CVE-ID: CVE-2022-32814)

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

The vulnerability exists due to a type confusion error in Multi-Touch. A local application can trigger a type confusion error and execute arbitrary code with kernel privileges.


35) Out-of-bounds write (CVE-ID: CVE-2022-32860)

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

The vulnerability exists due to a boundary error within the Wi-Fi subsystem. A local application can trigger an out-of-bounds write error and execute arbitrary code with kernel privileges.


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

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.


Remediation

Install update from vendor's website.