CVE-2011-2354 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 identified as CVE-2011-2354 represents a critical security flaw in Apple iTunes versions prior to 10.5, specifically within the WebKit rendering engine component that handles iTunes Store browsing functionality. This vulnerability exposes a significant attack surface that could be exploited by man-in-the-middle adversaries to compromise the affected system. The flaw manifests during the processing of web content within the iTunes Store browsing context, creating opportunities for attackers to execute malicious code or induce system instability through memory corruption issues that ultimately result in application crashes.
The technical nature of this vulnerability stems from improper handling of web content within the WebKit engine's memory management systems. When users navigate through iTunes Store content, the browser component processes various web elements that may contain malicious payloads. The flaw occurs during the parsing and rendering of these elements, where insufficient input validation and memory boundary checks allow attackers to manipulate the application's memory state. 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 arbitrary code execution. The vulnerability demonstrates characteristics consistent with heap-based buffer overflow conditions where attacker-controlled data can overwrite adjacent memory locations.
From an operational perspective, this vulnerability presents severe risks to users who regularly access iTunes Store content, as it provides a pathway for remote code execution without requiring user interaction beyond normal browsing activities. The man-in-the-middle attack vector implies that attackers need only intercept network traffic between the user and iTunes Store servers to exploit the vulnerability. This makes the attack surface particularly concerning in environments where network traffic interception is possible, such as public Wi-Fi networks or corporate environments with inadequate network security controls. The potential for denial of service through application crashes also creates availability concerns that could disrupt user experience and potentially enable more sophisticated attack vectors.
The impact of this vulnerability extends beyond simple exploitation to encompass broader security implications for Apple's ecosystem and user trust. The fact that this represents a different vulnerability than other CVEs listed in APPLE-SA-2011-10-11-1 indicates that it operates through distinct attack mechanisms, suggesting multiple weaknesses in the WebKit implementation. This vulnerability aligns with ATT&CK technique T1190, which covers exploitation of remote services through web browsers, and demonstrates how browser-based vulnerabilities can be leveraged for system compromise. Organizations and individuals should prioritize immediate remediation through the iTunes 10.5 update, as the vulnerability could enable attackers to gain unauthorized access to systems, potentially leading to data theft, system control, or further network penetration. The remediation process involves updating to the patched version of iTunes that addresses the memory corruption issues in the WebKit component, thereby eliminating the attack vectors that enable man-in-the-middle exploitation.