CVE-2019-8669 in iTunes
Summary
by MITRE
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to arbitrary code execution.
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Analysis
by VulDB Data Team • 11/07/2023
CVE-2019-8669 represents a critical memory corruption vulnerability that affects multiple Apple operating systems and applications. The vulnerability stems from inadequate memory handling mechanisms within Apple's software stack, specifically impacting iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, and iCloud for Windows 10.6. This issue falls under the CWE-125 vulnerability category, which describes out-of-bounds read conditions where programs access memory locations beyond allocated boundaries. The flaw manifests when processing maliciously crafted web content, creating a pathway for attackers to execute arbitrary code on affected systems. The vulnerability's exploitation potential aligns with ATT&CK technique T1059.001 for command and scripting interpreter, as successful exploitation could enable attackers to run malicious commands within the target environment. Memory corruption issues of this nature typically arise from buffer overflows, use-after-free conditions, or improper memory deallocation patterns that allow attackers to manipulate program execution flow. The affected applications and operating systems represent critical attack surfaces since they handle web content processing, making them prime targets for phishing campaigns and drive-by download attacks. Security researchers identified that the vulnerability could be triggered through web browsers, email clients, and other applications that render web content, potentially allowing remote code execution without user interaction. The fix implemented by Apple addressed the underlying memory handling issues through improved bounds checking and memory management protocols, preventing unauthorized memory access patterns. Organizations should prioritize patching all affected systems to prevent exploitation, as the vulnerability could be leveraged for persistent access, data exfiltration, or further attack escalation. The remediation process requires careful monitoring of patch deployment across all affected platforms, including mobile devices, desktop operating systems, and Windows-based applications. Security teams should implement network monitoring to detect potential exploitation attempts and establish incident response procedures for handling potential compromises. The vulnerability demonstrates the ongoing challenges in memory safety within complex software ecosystems and underscores the importance of regular security updates and comprehensive vulnerability management programs.