CVE-2019-8619 in iTunes
Summary
by MITRE
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, Safari 12.1.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. Processing maliciously crafted web content may lead to arbitrary code execution.
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Analysis
by VulDB Data Team • 09/26/2023
The vulnerability identified as CVE-2019-8619 represents a critical memory corruption issue affecting multiple Apple operating systems and applications. This vulnerability stems from insufficient memory handling mechanisms within Apple's software ecosystem, specifically impacting iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, Safari 12.1.1, iTunes for Windows 12.9.5, and iCloud for Windows 7.12. The flaw manifests when processing maliciously crafted web content, creating a pathway for attackers to execute arbitrary code on affected systems. From a cybersecurity perspective, this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and CWE-122, which addresses heap-based buffer overflow conditions, both of which are common precursors to memory corruption exploits.
The operational impact of CVE-2019-8619 extends beyond simple memory corruption, as it provides attackers with the capability to achieve arbitrary code execution through web-based attacks. This means that an attacker could potentially deliver malicious web content via phishing campaigns, compromised websites, or social engineering tactics that would trigger the memory corruption when a user visits the page. The vulnerability's presence in Safari and related web technologies makes it particularly dangerous as web browsers remain one of the most common attack vectors in enterprise and consumer environments. Security professionals should note that this issue demonstrates the importance of robust input validation and memory management practices, particularly in web rendering engines where user-supplied content is processed.
The remediation for CVE-2019-8619 involves updating to the patched versions of affected software, which Apple released as part of their regular security updates. The fixes implemented by Apple likely include enhanced memory handling routines, improved bounds checking mechanisms, and additional validation of web content before processing. Organizations should prioritize immediate deployment of these updates across all affected systems, particularly those running older versions of the operating systems or applications mentioned in the vulnerability description. From an attack surface perspective, this vulnerability fits within the ATT&CK framework under the T1203 category of Exploitation for Client Execution, where adversaries leverage vulnerabilities in software applications to execute malicious code. The remediation strategy should include comprehensive testing of updates in controlled environments before widespread deployment, ensuring that the patches do not introduce compatibility issues with existing enterprise applications or services.