SB2023102574 - Multiple vulnerabilities in Apple tvOS 17



SB2023102574 - Multiple vulnerabilities in Apple tvOS 17

Published: October 25, 2023 Updated: February 19, 2024

Security Bulletin ID SB2023102574
CSH Severity
High
Patch available
YES
Number of vulnerabilities 11
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 36% Low 64%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 11 vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2023-42846)

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 an error in mDNSResponder. A remote attacker can passively track the device by its Wi-Fi MAC address.


2) Buffer overflow (CVE-ID: CVE-2023-40447)

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 HTML content in WebKit. A remote attacker can trick the victim to open a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.


3) Use-after-free (CVE-ID: CVE-2023-41976)

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 when processing HTML content in WebKit. A remote attacker can trick the victim to open a specially crafted website, trigger a use-after-free error and execute arbitrary code on the target system.


4) Input validation error (CVE-ID: CVE-2023-42852)

CWE-ID: CWE-20 - Improper input validation

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 logic issue when handling HTML content in WebKit. A remote attacker can trick the victim to visit a specially crafted website and execute arbitrary code on the system.


5) Inclusion of Sensitive Information in Log Files (CVE-ID: CVE-2023-42823)

CWE-ID: CWE-532 - Information Exposure Through Log Files

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 the Core Recents component stores sensitive information into log files. A local application can read the log files and gain access to sensitive user data.


6) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-42953)

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 Game Center does not properly impose security restrictions. A local application can gain access to sensitive user information.


7) Heap-based buffer overflow (CVE-ID: CVE-2023-42848)

CWE-ID: CWE-122 - Heap-based Buffer 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: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 ImageIO. A remote attacker can trick the victim to open a specially crafted image file, trigger a 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.


8) UNIX symbolic link following (CVE-ID: CVE-2023-42942)

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

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 application to escalate privileges on the system.

The vulnerability exists due to a symlink following issue in libxpc. A local application 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.


9) Buffer overflow (CVE-ID: CVE-2023-42873)

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:U/U:Clear


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

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


10) Security features bypass (CVE-ID: CVE-2023-42839)

CWE-ID: CWE-254 - Security Features

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 improper state management in Sandbox. A local application can gain access to sensitive user information.


11) Information disclosure (CVE-ID: CVE-2023-42946)

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 excessive data output in Siri. A local application can gain unauthorized access to sensitive information.


Remediation

Install update from vendor's website.