CVE-2012-0638 in iTunes
Summary
by MITRE
WebKit, as used in Apple iTunes before 10.6, 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-2012-03-07-1.
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Analysis
by VulDB Data Team • 01/12/2025
This vulnerability exists within WebKit engine implementation in Apple iTunes version 10.5 and earlier, representing a significant security flaw that could be exploited through man-in-the-middle attacks. The vulnerability specifically affects iTunes Store browsing functionality and demonstrates how web rendering components can introduce critical attack vectors into desktop applications. The flaw enables attackers positioned between a user and iTunes Store servers to potentially execute arbitrary code or cause system instability through memory corruption issues that result in application crashes.
The technical nature of this vulnerability stems from improper handling of web content during iTunes Store interactions, where WebKit's rendering engine fails to properly validate or sanitize data received from remote servers. This memory corruption issue occurs during the processing of web-based content within the iTunes application environment, creating opportunities for attackers to manipulate memory structures through crafted responses from compromised intermediaries. The vulnerability differs from other issues addressed in APPLE-SA-2012-03-07-1, indicating it operates through distinct attack vectors within the same software ecosystem. This memory corruption can manifest as heap-based buffer overflows or use-after-free conditions that allow attackers to inject malicious code into the iTunes process memory space.
The operational impact of this vulnerability is substantial as it affects users who browse the iTunes Store through potentially compromised networks or when attackers can intercept traffic between users and Apple's servers. Attackers can exploit this weakness to either gain code execution privileges within the iTunes application context or cause deliberate application crashes that disrupt normal user operations. The vulnerability particularly affects users on older versions of iTunes where automatic updates may not be enabled or where system administrators have not applied security patches. This creates a persistent risk for organizations and individuals who maintain legacy iTunes installations, as the attack surface remains exposed without proper patch management protocols.
Mitigation strategies should focus on immediate patching of affected iTunes versions to 10.6 or later, which contain the necessary WebKit security updates. Network administrators should implement traffic interception prevention measures such as SSL/TLS inspection controls and ensure proper certificate validation mechanisms are in place. The vulnerability aligns with CWE-119, which addresses memory corruption issues in software systems, and represents a classic example of how web browser components can introduce security risks into desktop applications. Organizations should also consider implementing network monitoring solutions that can detect unusual traffic patterns or potential man-in-the-middle attacks, as outlined in ATT&CK framework's T1046 technique for network service scanning that could precede such exploitation attempts. Regular security assessments and patch management procedures should be enforced to prevent similar vulnerabilities from remaining unaddressed in other software components that utilize WebKit rendering engines.