CVE-2012-3700 in iTunes
Summary
by MITRE
WebKit, as used in Apple iTunes before 10.7, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2012-09-12-1.
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Analysis
by VulDB Data Team • 12/30/2024
The vulnerability identified as CVE-2012-3700 represents a critical memory corruption flaw within WebKit engine components that were integrated into Apple iTunes version 10.6 and earlier. This vulnerability specifically affects the web rendering capabilities of the iTunes application when processing maliciously crafted web content, creating a pathway for remote code execution and system instability. The flaw operates through the webkit rendering engine's handling of malformed or specially constructed web pages, which can trigger unpredictable behavior in memory management and application execution flow. Unlike other WebKit vulnerabilities documented in APPLE-SA-2012-09-12-1, this particular issue demonstrates distinct characteristics in how it manifests and exploits the underlying software architecture.
The technical implementation of this vulnerability stems from improper memory handling within WebKit's JavaScript engine and HTML parsing components. When iTunes processes web content that contains crafted malicious elements, the memory corruption occurs during the rendering process, particularly when dealing with complex DOM manipulation and script execution sequences. The flaw exploits buffer overflows, use-after-free conditions, or other memory management errors that can be triggered by specific combinations of web page elements, JavaScript code, and CSS properties. Attackers can leverage this vulnerability by hosting malicious web content that, when accessed through iTunes' integrated web browser or web content rendering capabilities, causes the application to execute unintended code or crash entirely. This memory corruption can potentially be exploited to gain arbitrary code execution privileges on the target system.
The operational impact of CVE-2012-3700 extends beyond simple application instability, as it presents a significant security risk to users who may inadvertently encounter malicious web content while using iTunes. The vulnerability's remote exploitation capability means that attackers do not need physical access to the target system, allowing them to compromise devices through web-based attack vectors. This poses particular risk in environments where iTunes is frequently used to access web content, including corporate networks or public computing environments. The potential for denial of service attacks can disrupt user productivity and create system reliability issues, while the arbitrary code execution component could enable full system compromise. The vulnerability affects not only individual users but also organizations that rely on iTunes for media management and distribution, creating widespread potential impact across various deployment scenarios.
Organizations and users should implement immediate mitigations by updating to iTunes version 10.7 or later, which contains the necessary patches to address the memory corruption issues. System administrators should consider disabling web content rendering capabilities within iTunes when these features are not required for business operations. Network security measures including web content filtering and sandboxing technologies can provide additional protective layers against exploitation attempts. The vulnerability aligns with CWE-125: Out-of-bounds Read and CWE-787: Out-of-bounds Write categories, demonstrating typical memory safety issues that occur when software fails to properly validate memory access boundaries. From an ATT&CK framework perspective, this vulnerability maps to T1059.007: Command and Scripting Interpreter: JavaScript and T1068: Exploitation for Privilege Escalation, as it enables attackers to execute malicious code and potentially elevate privileges. Regular security updates and patch management procedures should be prioritized to prevent exploitation of similar vulnerabilities in the WebKit engine and other browser components.