SB2022012702 - Multiple vulnerabilities in Apple Safari

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2022-22590)

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 web page, 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.

2) Security features bypass (CVE-ID: CVE-2022-22592)

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

The vulnerability exists due to a logic issue when processing HTML content in WebKit. A remote attacker can create a specially crafted web page, trick the victim into visiting it and prevent Content Security Policy from being enforced.

3) Code Injection (CVE-ID: CVE-2022-22589)

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

The vulnerability exists due to improper input validation in WebKit when processing email messages. A remote attacker can trick the victim to open a specially crafted email message and execute arbitrary JavaScript code on the system.

4) Information disclosure (CVE-ID: CVE-2022-22594)

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

The vulnerability exists due to a cross-origin issue in the IndexDB API within the WebKit Storage. A remote attacker can trick the victim to visit a specially crafted website and gain access to sensitive information, locally stored by WebKit.

Remediation

Install update from vendor's website.

References

• https://support.apple.com/en-us/HT213058