SB2024012308 - Multiple vulnerabilities in Apple Safari

Description

This security bulletin contains information about 5 secuirty vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2024-23211)

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

The vulnerability exists due to excessive data output by Safari, which exposes user's private browsing activity in Settings. A local user can gain unauthorized access to sensitive information.

2) Buffer overflow (CVE-ID: CVE-2024-23206)

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. A remote attacker can trick the victim to visit a specially crafted web page, trigger memory corruption and execute arbitrary code on the target system.

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

3) Buffer overflow (CVE-ID: CVE-2024-23213)

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. A remote attacker can trick the victim to visit a specially crafted web page, trigger memory corruption and execute arbitrary code on the target system.

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

4) Type confusion (CVE-ID: CVE-2024-23222)

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. A remote attacker can trick the victim to open 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.

Note, the vulnerability is being actively exploited in the wild.

5) Security features bypass (CVE-ID: CVE-2024-23271)

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

The vulnerability exists due to a logic error in WebKit, which can lead to unexpected cross-origin behavior. A remote attacker can trick the victim to visit a specially crafted website and bypass implemented security restrictions.

Remediation

Install update from vendor's website.

References

• https://support.apple.com/en-us/HT214056