CVE-2011-3241 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-2011-3241 represents a critical security flaw within Apple iTunes version 10.4 and earlier, specifically affecting the WebKit rendering engine component. This issue manifests during iTunes Store browsing operations and demonstrates the dangerous potential for remote code execution or denial of service conditions. The vulnerability operates through man-in-the-middle attack scenarios, where an attacker positioned between the user and Apple's iTunes Store services can exploit the flaw to compromise system integrity.
WebKit's implementation within iTunes creates a complex attack surface where memory corruption vulnerabilities can be leveraged for arbitrary code execution. The flaw specifically targets the handling of web content during iTunes Store interactions, making it particularly dangerous for users who regularly access Apple's digital storefront. This vulnerability type falls under CWE-119, which encompasses weaknesses related to memory corruption, and demonstrates how web rendering components can become attack vectors for privilege escalation and system compromise. The technical implementation appears to involve improper handling of network responses or malformed data structures during web content processing, leading to memory corruption that can be exploited by remote attackers.
The operational impact of this vulnerability extends beyond simple application crashes, as it enables attackers to execute arbitrary code on vulnerable systems. This capability transforms a simple browsing activity into a potential gateway for complete system compromise, particularly when users are engaged in iTunes Store transactions or content downloads. The vulnerability affects users across multiple platforms where iTunes was installed, creating widespread exposure. Attackers can leverage this flaw to install malware, steal user credentials, or establish persistent access to compromised systems, making it a significant concern for enterprise environments and individual users alike. The memory corruption aspect of this vulnerability aligns with ATT&CK technique T1059, which covers command and scripting interpreter usage, as successful exploitation could enable attackers to execute malicious code through compromised iTunes processes.
Mitigation strategies for CVE-2011-3241 require immediate patch deployment through Apple's official update channels, as version 10.5 and later implementations contain the necessary fixes. Users should disable iTunes Store browsing functionality until the update is applied, particularly when operating in untrusted network environments. Network administrators should implement monitoring for suspicious iTunes Store traffic patterns and consider network segmentation to limit potential attack vectors. The vulnerability's nature suggests that users should avoid using iTunes Store features on public or untrusted networks, as these environments increase the risk of man-in-the-middle attacks. Additionally, security teams should conduct vulnerability assessments to identify systems running affected iTunes versions and ensure proper patch management protocols are in place to prevent similar issues in the future.