SB2023032759 - Multiple vulnerabilities in WebKitGTK+ and WPE WebKit

Description

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2023-27954)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

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

The vulnerability exists due to excessive data output by the application. A remote attacker can track sensitive user information.

2) Security features bypass (CVE-ID: CVE-2023-27932)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to bypass Same Origin Policy restrictions.

The vulnerability exists due to improper state management. A remote attacker can trick the victim to visit a specially crafted website and bypass Same Origin Policy restrictions.

Remediation

Install update from vendor's website.

References

• https://support.apple.com/en-us/HT213671
• https://webkitgtk.org/security/WSA-2023-0003.html