SB2026031237 - Multiple vulnerabilities in Apple iOS 15 and iPadOS 15

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2023-41974)

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

The vulnerability exists due to a use-after-free error within the OS kernel. A local application can trigger a use-after-free error and execute arbitrary code with kernel privileges.

2) 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.

3) Use-after-free (CVE-ID: CVE-2023-43000)

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 into visiting a specially crafted website and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

4) Buffer overflow (CVE-ID: CVE-2023-43010)

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 into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://support.apple.com/en-us/126632