CVE-2012-3704 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 • 12/30/2024
The vulnerability identified as CVE-2012-3704 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 a pathway for remote code execution attacks that could potentially compromise the entire system. The flaw resides in how WebKit handles certain memory operations during web page rendering, making it particularly dangerous as it could be exploited through standard web browsing activities without requiring any special privileges or user interaction beyond visiting a malicious website.
The technical nature of this vulnerability stems from improper memory management within the WebKit rendering engine, which is responsible for displaying web content within iTunes applications. When a user visits a specially crafted malicious website, the WebKit engine processes the content in a manner that leads to memory corruption, potentially allowing attackers to overwrite critical memory locations or execute arbitrary code within the context of the iTunes process. This type of vulnerability falls under the CWE-125 weakness category, which specifically addresses out-of-bounds read conditions that can lead to memory corruption and arbitrary code execution. The vulnerability demonstrates characteristics consistent with heap-based buffer overflows or use-after-free conditions that are commonly exploited in browser-based attack vectors.
The operational impact of this vulnerability extends beyond simple application crashes, as it creates a persistent threat vector that could be leveraged by attackers to gain unauthorized access to systems running vulnerable versions of iTunes. Remote attackers could craft malicious web pages that, when loaded by iTunes, would trigger the memory corruption flaw and potentially execute malicious payloads. This vulnerability particularly affects users who frequently access untrusted websites through iTunes' web browsing capabilities, as the attack could occur without any user awareness or explicit interaction with malicious content. The implications are significant as iTunes was widely used across multiple platforms including macOS and Windows, amplifying the potential attack surface and user impact.
Organizations and users should immediately upgrade to iTunes version 10.7 or later, which includes patches addressing this vulnerability through improved memory management and input validation mechanisms. The mitigation strategy should also include network-level protections such as web application firewalls and content filtering solutions that can detect and block malicious web content before it reaches vulnerable systems. Security professionals should implement monitoring for suspicious network traffic patterns that may indicate exploitation attempts, while also ensuring that all systems are regularly updated with the latest security patches. This vulnerability serves as a reminder of the importance of keeping web-based components updated, as the WebKit engine powers not just iTunes but numerous other applications and browsers, making proper patch management critical for overall security posture. The ATT&CK framework categorizes this vulnerability under T1059.007 for command and scripting interpreter, as successful exploitation would likely involve executing malicious code within the application context, and T1211 for exploitation for defense evasion, as attackers could use such vulnerabilities to maintain persistent access to compromised systems.