Information disclosure in WebKitGTK+ and WPE WebKit - CVE-2023-40385

 

Information disclosure in WebKitGTK+ and WPE WebKit - CVE-2023-40385

Published: December 26, 2023


Vulnerability identifier: #VU84765
CSH Severity: Medium
CVSS v4 BT: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-40385
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to excessive data output by WebKit. A remote attacker can view leaked DNS queries with Private Relay turned on.


Affected software

WebKitGTK+
WPE WebKit
Apple Safari
Apple iOS
macOS
iPadOS

How to mitigate CVE-2023-40385

Install updates from vendor's website.

Apple Safari - update to 17.0
Apple iOS - update to 17.0 21A327
macOS - update to 14.0 23A344
iPadOS - update to 17.0

External References

Related Security Bulletins