SB2022121376 - Remote code execution in Apple iOS

Description

This security bulletin contains information about 1 security vulnerability.

1) Type Confusion (CVE-ID: CVE-2022-42856)

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

The vulnerability exists due to a type confusion error 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.

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

Remediation

Install update from vendor's website.

References

• https://support.apple.com/en-us/HT213516
• https://webkitgtk.org/security/WSA-2022-0011.html
• https://blog.google/threat-analysis-group/spyware-vendors-use-0-days-and-n-days-against-popular-platforms/