CVE-2011-0118 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 • 10/18/2021
The vulnerability identified as CVE-2011-0118 represents a critical security flaw within Apple iTunes software running on Windows operating systems prior to version 10.2. This vulnerability specifically affects the WebKit rendering engine component that iTunes employs for displaying content from the iTunes Store, creating a significant attack surface for malicious actors. The flaw manifests in how the application processes web content and handles memory management during iTunes Store browsing operations, making it particularly dangerous for users who regularly access digital content through the iTunes platform.
The technical nature of this vulnerability stems from improper memory handling within the WebKit engine implementation used by iTunes on Windows systems. Attackers can exploit this weakness through man-in-the-middle scenarios where they intercept network traffic between the user's computer and Apple's iTunes Store servers. The flaw allows adversaries to inject malicious code that can execute with the privileges of the iTunes application, potentially leading to complete system compromise. This type of vulnerability is categorized under CWE-125 as "Out-of-bounds Read" and CWE-787 as "Out-of-bounds Write," reflecting the memory corruption aspects that enable arbitrary code execution. The attack vector specifically targets the web browsing functionality within iTunes, distinguishing it from other vulnerabilities documented in APPLE-SA-2011-03-02-1 that may affect different components of the iTunes ecosystem.
The operational impact of CVE-2011-0118 extends beyond simple application crashes or denial of service conditions, as it provides attackers with the capability to achieve arbitrary code execution on vulnerable systems. This represents a severe threat to user security and privacy, particularly when users are browsing the iTunes Store on untrusted networks such as public wi-fi hotspots. The vulnerability's potential for causing memory corruption means that successful exploitation could lead to complete system compromise, allowing attackers to install malware, steal sensitive information, or establish persistent backdoors. From an attacker's perspective, this vulnerability aligns with ATT&CK technique T1190 "Exploit Public-Facing Application" as it targets a widely accessible application component that users interact with regularly, making it an attractive target for exploitation campaigns.
Mitigation strategies for CVE-2011-0118 primarily focus on updating to Apple iTunes version 10.2 or later, which contains the necessary patches to address the memory handling issues within the WebKit engine. Users should also implement network security measures such as using encrypted connections and avoiding untrusted networks when accessing iTunes Store content. Organizations should consider implementing network monitoring solutions to detect potential exploitation attempts and ensure that all iTunes installations are kept current with security patches. The vulnerability highlights the importance of regular software updates and proper memory management practices in client-side applications, particularly those that render web content and handle user interactions with external services. Security professionals should also be aware of similar vulnerabilities in other applications that use WebKit rendering engines, as this class of vulnerability often affects multiple software products from the same vendor or development framework.