CVE-2018-4444 in iTunes
Summary
by MITRE • 10/28/2020
A logic issue was addressed with improved state management. This issue is fixed in Safari 12.0.2, iOS 12.1.1, tvOS 12.1.1, iTunes 12.9.2 for Windows. Processing maliciously crafted web content may disclose sensitive user information.
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Analysis
by VulDB Data Team • 11/27/2020
The vulnerability identified as CVE-2018-4444 represents a logic flaw in Apple's Safari browser and related operating systems that compromised user privacy through improper state management. This issue specifically affected the handling of sensitive information during web content processing, creating potential pathways for unauthorized data disclosure. The vulnerability was addressed through updates to Safari 12.0.2, iOS 12.1.1, tvOS 12.1.1, and iTunes 12.9.2 for Windows, demonstrating Apple's recognition of the security implications within their web browsing ecosystem.
The technical flaw stems from inadequate state management within the browser's processing pipeline for maliciously crafted web content. When users encountered specially designed web pages, the browser's internal state handling mechanisms failed to properly isolate or secure sensitive user information, potentially allowing attackers to exploit this logic gap. This type of vulnerability falls under the broader category of improper state management issues that can lead to information disclosure and privilege escalation. The flaw essentially created a condition where the browser's security boundaries were not properly maintained during content rendering, enabling potential data leakage through the processing of compromised web elements.
The operational impact of CVE-2018-4444 extends beyond simple information disclosure, as it represents a fundamental breakdown in the browser's security architecture. Users operating affected versions faced risks of exposure to sensitive personal data, session information, or other confidential content that should have remained protected within the browser's secure rendering environment. This vulnerability particularly affected users of Apple's ecosystem who relied on Safari for web browsing, as the issue was present across multiple platforms including mobile devices, desktop operating systems, and media streaming devices. The risk was heightened by the nature of web browsing, where users frequently encounter untrusted content from various sources.
Mitigation strategies for CVE-2018-4444 centered on immediate system updates and patch management protocols. Organizations and individual users were advised to upgrade to the patched versions of affected software, specifically targeting Safari 12.0.2, iOS 12.1.1, tvOS 12.1.1, and iTunes 12.9.2 for Windows. Security administrators should have implemented comprehensive patch deployment schedules to ensure all affected systems received updates promptly. Additionally, network monitoring solutions could have been employed to detect potential exploitation attempts through analysis of web traffic patterns and unusual data flows that might indicate attempts to leverage this vulnerability. The remediation process also emphasized the importance of user education regarding safe browsing practices and the risks associated with visiting untrusted websites. This vulnerability aligns with CWE-242, which addresses the use of potentially dangerous functions, and represents a typical example of how improper state management can create security weaknesses in complex software systems.