CVE-2012-3652 in iOS
Summary
by MITRE
WebKit, as used in Apple iTunes before 10.7, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2012-09-12-1.
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Analysis
by VulDB Data Team • 12/30/2024
The vulnerability identified as CVE-2012-3652 represents a critical memory corruption flaw within WebKit engine components that were integrated into Apple iTunes version 10.6 and earlier. This vulnerability specifically affects the web rendering capabilities of iTunes when processing maliciously crafted web content, creating an avenue for remote code execution attacks. The flaw exists in the way WebKit handles certain memory operations during web page rendering, particularly when encountering malformed or specially constructed web content that triggers unexpected behavior in the underlying memory management systems.
This memory corruption vulnerability operates through a sophisticated attack vector that leverages the integration of WebKit within iTunes to process web-based content, including HTML, JavaScript, and other web technologies. The flaw manifests when a malicious website is accessed through iTunes' web browsing capabilities or when embedded web content is processed within the application environment. Attackers can craft specific web pages containing malicious code sequences that exploit the memory handling inconsistencies within WebKit's rendering engine, leading to unpredictable memory states that can be manipulated to execute arbitrary code with the privileges of the iTunes process. The vulnerability demonstrates characteristics consistent with heap-based buffer overflow conditions and memory corruption patterns that have been extensively documented in cybersecurity literature and categorized under common weakness enumeration CWE-125 for out-of-bounds read conditions and CWE-787 for out-of-bounds write conditions.
The operational impact of this vulnerability extends beyond simple application instability, as it provides attackers with the capability to achieve complete system compromise through remote code execution. When successfully exploited, the vulnerability can result in arbitrary code execution that may allow attackers to install malware, modify system files, or establish persistent access to affected systems. The denial of service component of this vulnerability manifests as application crashes and system instability that can be leveraged to disrupt normal operations or as a precursor to more sophisticated attack vectors. The vulnerability affects not only individual user systems but also represents a significant risk to enterprise environments where iTunes is widely deployed for media management and synchronization purposes. According to the ATT&CK framework, this vulnerability aligns with techniques involving exploitation of known vulnerabilities and privilege escalation, specifically mapping to T1190 for Exploit Public-Facing Application and T1068 for Exploitation for Privilege Escalation.
Mitigation strategies for CVE-2012-3652 primarily focus on immediate patching and updating of affected iTunes versions to 10.7 or later, which contain the necessary security fixes to address the memory corruption issues. System administrators should implement comprehensive patch management procedures to ensure all affected systems receive updates promptly, as the vulnerability represents a significant risk to both individual users and enterprise environments. Additional defensive measures include network-level restrictions to prevent access to potentially malicious websites, implementation of web content filtering solutions, and monitoring for suspicious network activity that may indicate exploitation attempts. Organizations should also consider implementing application whitelisting policies to restrict the execution of unauthorized code and establish robust incident response procedures to address potential exploitation attempts. The vulnerability underscores the importance of regular security updates and proper vulnerability management practices, as highlighted in industry standards such as NIST SP 800-40 and ISO 27001 security frameworks that emphasize the critical need for timely patch deployment and risk mitigation strategies.