CVE-2011-0124 in iTunes
Summary
by MITRE
WebKit, as used in Apple iTunes before 10.2 on Windows, allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via vectors related to iTunes Store browsing, a different vulnerability than other CVEs listed in APPLE-SA-2011-03-02-1.
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Analysis
by VulDB Data Team • 01/26/2025
The vulnerability identified as CVE-2011-0124 represents a critical security flaw in WebKit engine implementations within Apple iTunes software for Windows platforms. This issue affects versions prior to iTunes 10.2 and specifically targets the iTunes Store browsing functionality, creating a significant attack surface for malicious actors. The vulnerability stems from improper handling of web content within the WebKit rendering engine, which is responsible for displaying web-based interfaces within the iTunes application. This particular flaw allows adversaries to manipulate the application's memory management processes during web browsing operations, potentially leading to system compromise or service disruption.
The technical exploitation of this vulnerability occurs through man-in-the-middle attack vectors that leverage the WebKit engine's handling of iTunes Store content. When users navigate the iTunes Store interface, the WebKit component processes web content that may be manipulated by attackers positioned between the user and Apple's servers. The flaw manifests as memory corruption issues that can be triggered during normal browsing operations, causing the application to crash or potentially execute arbitrary code. This type of vulnerability falls under the CWE-125 weakness category, which describes out-of-bounds read conditions that can lead to memory corruption and unauthorized code execution. The vulnerability's classification aligns with ATT&CK technique T1190, which covers exploiting vulnerabilities in web browsers and web applications.
The operational impact of this vulnerability extends beyond simple application instability to potentially enable full system compromise. Attackers can exploit the memory corruption to inject malicious code that executes with the privileges of the iTunes process, which typically runs with elevated permissions on Windows systems. This could result in unauthorized access to user data, system file manipulation, or the installation of additional malware. The vulnerability's persistence across multiple iTunes Store browsing sessions means that any user interacting with the iTunes Store interface could be compromised without their knowledge. The memory corruption aspect specifically affects heap management within the WebKit engine, where attackers can manipulate memory structures to redirect execution flow or overwrite critical system components.
Mitigation strategies for CVE-2011-0124 primarily involve upgrading to iTunes 10.2 or later versions, which contain patches addressing the WebKit memory handling issues. System administrators should implement immediate patch management protocols to ensure all affected Windows systems receive the security update. Network monitoring solutions should be configured to detect unusual traffic patterns that might indicate man-in-the-middle attacks targeting this vulnerability. Additionally, users should be educated about the risks of browsing untrusted websites within iTunes Store interfaces and encouraged to keep their software updated. Organizations should consider implementing network security controls such as SSL inspection and traffic filtering to prevent exploitation attempts. The vulnerability's characteristics make it particularly dangerous in enterprise environments where iTunes is commonly used for software distribution and media management, emphasizing the importance of comprehensive patch deployment across all affected systems.