CVE-2011-0153 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-2011-0153 represents a critical security flaw within Apple iTunes version 10.1 and earlier on Windows platforms. This vulnerability specifically affects the WebKit rendering engine component that iTunes employs for displaying content from the iTunes Store. The flaw manifests during the browsing process within the iTunes Store interface, creating a pathway for malicious actors to exploit the system through man-in-the-middle attacks. The vulnerability is particularly concerning because it operates at a fundamental level of the application's web rendering capabilities, potentially allowing attackers to execute arbitrary code or cause system instability through memory corruption issues.
The technical nature of this vulnerability stems from improper handling of web content within the WebKit engine when processing iTunes Store browsing requests. Attackers can leverage this weakness by intercepting network traffic between the iTunes client and Apple's servers, manipulating the data flow to trigger memory corruption conditions within the application's memory management systems. This type of vulnerability typically involves buffer overflows, use-after-free errors, or other memory management flaws that occur when the WebKit engine processes malformed or specially crafted web content. The flaw operates in the context of network-based attacks where the attacker can position themselves between the victim and the target server, making it particularly dangerous for users who access the iTunes Store over unsecured networks.
The operational impact of CVE-2011-0153 extends beyond simple application crashes, as it provides attackers with the capability to execute arbitrary code on affected systems. This means that malicious actors could potentially gain full control over the victim's computer, install malware, steal sensitive information, or perform other harmful actions. The vulnerability affects the Windows version of iTunes specifically, making it a platform-specific issue that required targeted mitigation efforts. The memory corruption aspects of the flaw could lead to unpredictable behavior including system crashes, data loss, or even complete system compromise depending on the exploitation method used. The vulnerability's classification as a man-in-the-middle attack vector indicates that it primarily affects users who are connected to networks where such interception is possible, particularly public Wi-Fi networks or compromised corporate networks.
Mitigation strategies for this vulnerability primarily involve updating to Apple iTunes version 10.2 or later, which contains the necessary patches to address the WebKit memory corruption issues. Organizations should implement comprehensive patch management policies to ensure all affected systems receive updates promptly. Network administrators should also consider implementing additional security measures such as SSL certificate validation, secure network protocols, and monitoring for suspicious traffic patterns that might indicate exploitation attempts. The vulnerability demonstrates the importance of keeping web rendering engines updated, as WebKit components are frequently targeted by attackers due to their widespread use in various applications. Security professionals should also consider implementing network segmentation and access controls to limit exposure to man-in-the-middle attacks, particularly when users access sensitive services over public networks.
This vulnerability aligns with CWE-122, which describes buffer overflow conditions in heap-based memory management, and represents a classic example of how web browser engine components can be exploited for privilege escalation and arbitrary code execution. The ATT&CK framework would categorize this vulnerability under T1210 - Exploitation of Remote Services and T1059 - Command and Scripting Interpreter, as the exploitation involves remote service access and potentially command execution capabilities. The vulnerability highlights the critical need for secure coding practices in web engine components and demonstrates how seemingly minor flaws in application architecture can have significant security implications across multiple attack vectors.