CVE-2011-0137 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 • 01/26/2025
The vulnerability identified as CVE-2011-0137 represents a critical security flaw in Apple iTunes version 10.1 and earlier on Windows platforms, specifically within the WebKit rendering engine component. This vulnerability arises from insufficient input validation and memory management practices during iTunes Store browsing operations, creating a pathway for malicious actors to exploit the application's trust model. The flaw manifests when iTunes processes web content from the iTunes Store, particularly in scenarios involving network communications and content rendering, where the application fails to properly sanitize or validate external data inputs before processing them within its memory space.
The technical implementation of this vulnerability stems from memory corruption issues that occur when WebKit handles certain types of malformed or crafted web content during iTunes Store interactions. Attackers can leverage this weakness by positioning themselves as man-in-the-middle actors in network communications between the iTunes client and Apple's iTunes Store servers. Through this position, they can intercept and modify network traffic containing web content or JavaScript elements that iTunes processes, leading to buffer overflows or other memory corruption conditions. The vulnerability specifically affects the application's handling of web resources and does not rely on user interaction beyond normal browsing activities, making it particularly dangerous as it can be exploited without direct user consent or awareness.
The operational impact of CVE-2011-0137 extends beyond simple application instability, as it provides attackers with the capability to execute arbitrary code on vulnerable systems. This represents a severe escalation from typical denial-of-service conditions, as successful exploitation can result in complete system compromise. The memory corruption vulnerabilities allow attackers to inject and execute malicious code within the iTunes process context, potentially leading to privilege escalation or full system control. Additionally, the vulnerability affects a widely deployed application on Windows systems, increasing the potential attack surface and making it a prime target for cybercriminals seeking to compromise user devices. The impact is particularly concerning given that iTunes was commonly used for media management and digital content distribution, making it a persistent presence on many user systems.
Mitigation strategies for this vulnerability require immediate patching of affected iTunes installations to version 10.2 or later, which includes fixes for the WebKit memory handling issues. Organizations should implement network monitoring to detect potential man-in-the-middle attacks targeting iTunes communications and consider deploying network segmentation to limit exposure. The vulnerability aligns with CWE-125, which describes out-of-bounds read conditions, and CWE-787, which covers out-of-bounds write conditions, both of which are common in memory corruption vulnerabilities. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and execution through compromised applications, specifically T1059 for command and scripting interpreter usage and T1068 for exploit for privilege escalation. System administrators should also consider disabling iTunes Store browsing features when not required, implementing network access controls, and monitoring for unusual iTunes process behaviors that might indicate exploitation attempts.