Released September 16, 2024

CVE-2024-54467

CVSS 6.5 severity medium CWE-200 vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Overview

Impact:

Description: A malicious website may exfiltrate data cross-origin

Researchers: Narendra Bhati, Manager of Cyber Security At Suma Soft Pvt. Ltd, Pune (India)

Background

Attribute	Value
CVE	CVE-2024-54467
Bugzilla	287874
Component	WebKit
Bug Class	CrossOrigin
Severity	medium
Advisory	Apple Advisory

Fix not public. The WebKit fix for this bug is embargoed or not yet disclosed. The bug ID is confirmed from the Apple advisory, but no public commit references it.

Root Cause Analysis

A cookie management issue was addressed with improved state management.

Audit Directions

When auditing for this vulnerability, focus on: (1) similar patterns in the patched functions and nearby code, (2) missing or insufficient bounds checks on user-controlled input, (3) unvalidated type conversions and pointer arithmetic, (4) edge cases not exercised by tests, and (5) copy-paste variants of the vulnerable logic elsewhere.