CVE-2012-3675 in iTunes
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
CVE-2012-3675 represents a critical memory corruption vulnerability within WebKit engine that was integrated into Apple iTunes version 10.6 and earlier. This vulnerability stems from insufficient input validation and memory management practices within the WebKit rendering engine, which serves as the core component responsible for displaying web content within the iTunes application. The flaw manifests when processing maliciously crafted web content that triggers improper memory handling, leading to potential arbitrary code execution or system instability. The vulnerability specifically affects the way WebKit processes certain web page elements or JavaScript constructs, creating opportunities for attackers to exploit memory corruption patterns that could result in complete system compromise or denial of service conditions.
The technical implementation of this vulnerability involves memory corruption mechanisms that can be triggered through carefully constructed web content delivered via malicious websites. Attackers can leverage this weakness by hosting specially crafted web pages that, when accessed through iTunes' integrated web browser component, cause the application to improperly handle memory allocation and deallocation. This leads to memory addresses becoming corrupted or overwritten, potentially allowing remote code execution. The vulnerability operates at the intersection of several security domains including memory management, buffer overflow conditions, and application sandboxing failures. According to CWE classification, this vulnerability maps to CWE-119 Improper Restriction of Operations within Memory, which encompasses issues where software fails to properly restrict memory operations, leading to potential code execution or system crashes.
The operational impact of CVE-2012-3675 extends beyond simple application instability, as it provides attackers with a pathway to execute arbitrary code on affected systems. When exploited, the vulnerability can enable attackers to bypass security controls, escalate privileges, and potentially gain full control over the target system. The threat landscape surrounding this vulnerability indicates that it was actively exploited in the wild, making it particularly dangerous for users who regularly accessed web content through iTunes. The vulnerability's impact is compounded by the fact that iTunes was widely deployed across multiple operating systems, increasing the potential attack surface. From an ATT&CK framework perspective, this vulnerability aligns with techniques such as T1059 Command and Scripting Interpreter and T1068 Exploitation for Privilege Escalation, as attackers could leverage the memory corruption to execute malicious commands and escalate their access level.
Mitigation strategies for CVE-2012-3675 primarily focus on immediate remediation through software updates and system hardening measures. Apple's release of iTunes 10.7 addressed this vulnerability through improved memory management and input validation within the WebKit engine. Organizations should prioritize updating to patched versions and implement network-level controls to prevent access to known malicious domains. Additional protective measures include disabling web content loading within iTunes, implementing application whitelisting policies, and deploying intrusion detection systems to monitor for exploitation attempts. Security professionals should also consider implementing sandboxing mechanisms and monitoring for unusual memory access patterns that could indicate exploitation attempts. The vulnerability serves as a reminder of the critical importance of maintaining up-to-date software components and the potential risks associated with integrated web browsing capabilities in desktop applications.