SB2022091231 - Multiple vulnerabilities in WebKitGTK+ and WPE WebKit

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2022-32886)

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

The vulnerability exists due to a boundary error when processing web content in WebKit. A remote attacker can create a specially crafted website, 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.

2) Out-of-bounds read (CVE-ID: CVE-2022-32912)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in WebKit. A remote attacker can create a specially crafted web page, trick the victim into opening it using the affected software, trigger out-of-bounds read and execute arbitrary code on the target system.

3) Spoofing attack (CVE-ID: CVE-2022-32891)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of frames on the webpage within WebKit. A remote attacker can spoof page content.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://support.apple.com/en-us/HT213442
• https://webkitgtk.org/security/WSA-2022-0009.html