CVE-2011-0117 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 • 10/18/2021
The vulnerability identified as CVE-2011-0117 represents a critical security flaw within Apple iTunes version 10.1 and earlier on Windows platforms. This issue resides within the WebKit rendering engine component that Apple utilizes for displaying content within its iTunes Store browsing functionality. The vulnerability stems from insufficient input validation and memory management practices during the processing of web content retrieved from iTunes Store servers, creating opportunities for malicious actors to exploit the system through man-in-the-middle attack scenarios.
The technical flaw manifests through memory corruption vulnerabilities that occur when iTunes processes certain web elements or media content from the iTunes Store. Attackers can leverage this weakness by intercepting network traffic between the user's computer and Apple's servers, then injecting malicious content that triggers buffer overflows or other memory corruption conditions within the WebKit engine. This exploitation mechanism falls under the category of remote code execution vulnerabilities, where attackers can potentially execute arbitrary code on the target system with the privileges of the iTunes process. The vulnerability specifically impacts the memory management routines within the WebKit rendering component, making it particularly dangerous as it can lead to complete system compromise or application crashes.
The operational impact of CVE-2011-0117 extends beyond simple denial of service conditions to encompass potential full system compromise. When exploited successfully, this vulnerability can cause iTunes to crash and potentially allow attackers to execute malicious code on the victim's system, creating a persistent threat vector that could be used for data theft, system control, or further network infiltration. The vulnerability's classification as a memory corruption issue aligns with common attack patterns documented in the attack tactics and techniques framework, specifically relating to privilege escalation and code execution. Organizations and individual users who relied on iTunes for media management and store browsing were particularly vulnerable, as the attack could be executed without requiring any special user interaction beyond normal browsing activities.
Mitigation strategies for CVE-2011-0117 primarily focus on immediate software updates and network security enhancements. Apple addressed this vulnerability through the release of iTunes 10.2, which included patched WebKit components and improved memory management routines. System administrators should prioritize updating to the patched version immediately, as the vulnerability affects a widely used application with significant attack surface exposure. Network security measures such as SSL inspection and traffic monitoring can help detect potential exploitation attempts, though these approaches may not prevent successful attacks. The vulnerability demonstrates the importance of keeping third-party applications updated and highlights the risks associated with using older versions of software components that may contain unpatched security flaws. This issue also underscores the need for organizations to maintain comprehensive patch management processes and to monitor security advisories from software vendors to prevent exploitation of known vulnerabilities. The attack vector's reliance on man-in-the-middle techniques emphasizes the importance of network security protocols and the need for secure communication channels when accessing online services.