CVE-2011-2341 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-2011-2341 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 stems from insufficient input validation and memory management practices within the WebKit framework, which is responsible for rendering web content within the iTunes application. The flaw manifests when users navigate through the iTunes Store interface, particularly during interactions with dynamically loaded content or embedded web elements that leverage WebKit's rendering capabilities.
The technical exploitation of this vulnerability occurs through man-in-the-middle attack scenarios where malicious actors intercept network traffic between the iTunes client and Apple's iTunes Store servers. Attackers can manipulate the content being transmitted or inject malicious payloads that trigger memory corruption within the WebKit engine. This memory corruption leads to unpredictable application behavior, ranging from arbitrary code execution capabilities that could allow full system compromise to straightforward denial of service conditions causing application crashes and system instability. The vulnerability operates at the intersection of network security and client-side application security, exploiting weaknesses in how iTunes processes web-based content during store browsing operations.
From an operational impact perspective, this vulnerability presents significant risks to both individual users and enterprise environments that rely on iTunes for media management and distribution. The potential for arbitrary code execution means that compromised systems could be fully taken over by attackers, allowing for data exfiltration, system modification, or establishment of persistent backdoors. The denial of service component affects user productivity and service availability, particularly in environments where iTunes is used for automated media management or enterprise deployment scenarios. Organizations using older iTunes versions face heightened risk during network-based transactions or when accessing potentially compromised networks where MITM attacks are prevalent.
Security professionals should note that this vulnerability aligns with CWE-119 Improper Restriction of Operations within a Memory Buffer, which specifically addresses memory corruption issues that occur when applications fail to properly validate input data before processing. The attack pattern corresponds to ATT&CK technique T1059 Command and Control, where compromised applications can be leveraged for malicious command execution. The vulnerability also demonstrates characteristics of T1212 Exploitation for Credential Access, as successful exploitation could potentially lead to credential theft or privilege escalation. Organizations should prioritize immediate patching to iTunes version 10.5 or later, implement network monitoring to detect potential MITM activities, and consider network segmentation to limit exposure. Additionally, security awareness training should emphasize the importance of avoiding untrusted networks and maintaining updated software versions to prevent exploitation of such vulnerabilities.