CVE-2019-8595 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
CVE-2019-8595 represents a critical memory corruption vulnerability affecting multiple Apple operating systems and applications including 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. This vulnerability falls under the CWE-125 weakness category, which specifically addresses out-of-bounds read conditions that can lead to memory corruption. The flaw manifests when processing maliciously crafted web content, creating a pathway for remote attackers to achieve arbitrary code execution on affected systems. The vulnerability stems from inadequate memory handling mechanisms within Apple's web rendering and processing frameworks, particularly affecting Safari's JavaScript engine and related components that parse web content. Attackers can exploit this issue by delivering specially crafted web pages or content that triggers memory corruption during normal browser operations. The security implications are severe as successful exploitation allows attackers to execute arbitrary code with the privileges of the affected application, potentially leading to full system compromise. This vulnerability aligns with ATT&CK technique T1059.007 for Windows Scripting and T1566 for Phishing, as it typically requires social engineering to deliver malicious content to victims. The memory corruption occurs during the parsing and rendering of web content, where insufficient bounds checking allows attackers to manipulate memory layout and overwrite critical program structures. The fix implemented by Apple includes enhanced memory management routines and improved input validation mechanisms that prevent the exploitation of out-of-bounds memory access patterns. Organizations should prioritize immediate patching of all affected systems, particularly those running older versions of Apple's ecosystem components. The vulnerability demonstrates the ongoing challenges in web browser security where complex rendering engines create numerous potential attack surfaces for memory corruption exploits. Security professionals should monitor for indicators of compromise related to web-based attacks and implement network-level protections to detect malicious web content delivery. The remediation process requires careful attention to ensure complete patch deployment across all affected platforms including mobile devices, desktop operating systems, and Windows applications that interface with Apple services. Regular security assessments of web browsing environments and user education regarding safe web practices remain essential defensive measures against this class of vulnerabilities.