CVE-2011-3238 in iTunes
Summary
by MITRE
WebKit, as used in Apple iTunes before 10.5, 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-2011-10-11-1.
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Analysis
by VulDB Data Team • 01/19/2025
The vulnerability described in CVE-2011-3238 represents a critical security flaw in Apple iTunes version 10.4 and earlier, specifically within the WebKit rendering engine component that handles iTunes Store browsing functionality. This vulnerability falls under the category of man-in-the-middle attacks, where malicious actors can exploit the flaw during network communication between the iTunes client and Apple's iTunes Store servers. The flaw manifests when users navigate through the iTunes Store interface, potentially allowing attackers who control the network traffic to inject malicious code or cause system instability. The vulnerability demonstrates the inherent risks associated with web-based components in desktop applications and highlights the importance of secure network communication protocols.
The technical implementation of this vulnerability stems from memory corruption issues within the WebKit engine's handling of web content during iTunes Store browsing operations. When iTunes processes web pages or content from the iTunes Store, the WebKit component fails to properly validate or sanitize incoming data, creating opportunities for attackers to craft malicious payloads that exploit memory handling flaws. This type of vulnerability typically involves buffer overflows, use-after-free conditions, or other memory management errors that can be triggered by malformed input data. The flaw operates at the application layer where web content is rendered, making it particularly dangerous as it can execute arbitrary code or cause application crashes without requiring user interaction beyond normal browsing activities.
The operational impact of CVE-2011-3238 extends beyond simple denial of service conditions to potentially enable full system compromise. Attackers exploiting this vulnerability could execute arbitrary code with the privileges of the iTunes process, potentially leading to complete system compromise if the application runs with elevated permissions. The memory corruption aspects of this vulnerability create unstable application states that could be leveraged for privilege escalation attacks or to establish persistent backdoors. Additionally, the vulnerability affects users who rely on iTunes for legitimate software distribution, making it particularly concerning from an enterprise security perspective where unauthorized code execution could compromise entire networks.
Security professionals should note that this vulnerability aligns with CWE-119, which addresses "Improper Restriction of Operations within the Bounds of a Memory Buffer," and represents a classic example of how web rendering engines can become attack vectors. The flaw also connects to ATT&CK techniques involving privilege escalation and code injection through application vulnerabilities. Organizations should implement immediate mitigations including updating to iTunes 10.5 or later, which contains the necessary patches to address the memory corruption issues. Network-level protections such as SSL inspection and proper certificate validation should also be implemented to prevent man-in-the-middle attacks that could exploit this vulnerability. Regular security assessments of web-based components in desktop applications remain crucial for identifying similar vulnerabilities that could be exploited in other software products.