CVE-2012-3614 in iOS
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 • 04/13/2021
The vulnerability identified as CVE-2012-3614 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 iTunes when processing maliciously crafted web content, creating potential entry points for remote attackers to compromise systems. The flaw manifests when iTunes processes web pages through its embedded WebKit rendering engine, which is responsible for displaying web content within the application's interface. This particular vulnerability is distinct from other WebKit-related issues documented in APPLE-SA-2012-09-12-1, indicating a unique code path or memory handling mechanism that was susceptible to exploitation. The vulnerability resides in the way WebKit handles certain web page elements or scripting constructs, leading to improper memory management that can result in arbitrary code execution or system instability.
The technical exploitation of this vulnerability occurs when a remote attacker crafts a malicious web page that, when loaded within iTunes' web rendering context, triggers a memory corruption condition. This typically involves manipulating memory pointers, buffer overflows, or use-after-free conditions that allow attackers to inject and execute arbitrary code within the iTunes process context. The memory corruption can manifest as heap corruption, stack overflow, or other memory management errors that occur during the parsing and rendering of web content. When exploited successfully, this vulnerability enables attackers to execute code with the privileges of the iTunes process, potentially allowing for complete system compromise or denial of service conditions that cause the application to crash. The attack vector is particularly concerning because it leverages the web browsing capabilities that iTunes provides, making it possible for users to encounter malicious content while browsing websites, downloading content, or interacting with web-based features within the iTunes environment.
The operational impact of CVE-2012-3614 extends beyond simple application instability to encompass potential full system compromise and unauthorized access capabilities. When exploited, this vulnerability can allow attackers to execute arbitrary commands on affected systems, potentially leading to data theft, system monitoring, or further exploitation of network resources. The vulnerability affects users who are running iTunes versions prior to 10.7, making it particularly relevant for organizations that maintain older software versions or for users who delay software updates. The memory corruption can cause unpredictable behavior including application crashes, system hangs, or complete system failures, creating denial of service conditions that disrupt legitimate user activities. From a cybersecurity perspective, this vulnerability demonstrates the risks associated with embedded web rendering engines in desktop applications, where the same security challenges present in web browsers also affect application components that process web content. The vulnerability's classification aligns with CWE-121, which addresses stack-based buffer overflow conditions, and may also relate to CWE-122 for heap-based buffer overflows, though the specific implementation details would determine the exact Common Weakness Enumeration mapping.
Mitigation strategies for CVE-2012-3614 focus primarily on software update management and security configuration practices. The most effective immediate solution is upgrading to iTunes version 10.7 or later, which contains patches that address the memory corruption issues within the WebKit engine. Organizations should implement robust patch management procedures to ensure timely deployment of security updates across all affected systems. Additional protective measures include network-based security controls such as web filtering solutions that can block access to known malicious websites, though these are less effective against targeted attacks. Security monitoring should focus on detecting unusual iTunes process behavior, memory allocation patterns, or network connections that might indicate exploitation attempts. The vulnerability also highlights the importance of principle of least privilege configurations where iTunes should be run with minimal required permissions, reducing the potential impact of successful exploitation. From an ATT&CK framework perspective, this vulnerability relates to T1059 for command and script interpreter execution and T1068 for exploit for privilege escalation, while also demonstrating how application-specific vulnerabilities can create initial access points for broader compromise. Organizations should also consider implementing application whitelisting controls to prevent unauthorized code execution and maintain detailed logging of iTunes usage to detect potential exploitation attempts.