SB2022102437 - Multiple vulnerabilities in Apple Safari



SB2022102437 - Multiple vulnerabilities in Apple Safari

Published: October 24, 2022 Updated: February 2, 2023

Security Bulletin ID SB2022102437
Severity
High
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 33% Low 17%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 secuirty vulnerabilities.


1) Spoofing attack (CVE-ID: CVE-2022-42799)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in WebKit. A remote attacker can trick the victim to visit a specially crafted website and spoof user interface.


2) Type Confusion (CVE-ID: CVE-2022-42823)

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

The vulnerability exists due to a type confusion error when processing HTML content 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.


3) Information disclosure (CVE-ID: CVE-2022-42824)

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

The vulnerability exists due to unspecified error in WebKit. A remote attacker can trick the victim to visit a specially crafted web page and gain access to potentially sensitive information.


4) Buffer overflow (CVE-ID: CVE-2022-32922)

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

The vulnerability exists due to a boundary error when processing PDf files in WebKit PDF. A remote attacker can create a specially crafted PDF 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.


5) Information disclosure (CVE-ID: CVE-2022-32923)

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

The vulnerability exists in WebKit due to an error in the JIT implementation. A remote attacker can trick the victim to visit a malicious website and disclose internal states of the application.


6) Use-after-free (CVE-ID: CVE-2022-42826)

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 visit a specially crafted website, 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.


Remediation

Install update from vendor's website.