CVE-2012-3699 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
The vulnerability identified as CVE-2012-3699 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 a pathway for remote code execution attacks that could compromise the entire system. The flaw exists in the way WebKit handles certain web page elements and memory management during content rendering, making it particularly dangerous as it can be triggered simply by visiting a compromised website.
The technical nature of this vulnerability stems from improper input validation and memory handling within WebKit's JavaScript engine and rendering subsystems. Attackers can craft malicious web pages that exploit buffer overflows, use after free errors, or other memory corruption patterns that lead to arbitrary code execution. These memory corruption issues typically occur when the web engine fails to properly validate or sanitize user-supplied data, allowing attackers to manipulate memory structures and execute malicious payloads. The vulnerability operates at a low level within the browser engine, making detection and prevention particularly challenging.
The operational impact of this vulnerability extends beyond simple application crashes to potentially full system compromise. When exploited, the memory corruption can lead to remote code execution with the privileges of the iTunes process, which often runs with elevated permissions on the target system. This creates a significant risk for users who visit compromised websites or click on malicious links, as the attack vector requires no local interaction beyond visiting a malicious site. The vulnerability affects not only the iTunes application itself but also the broader system security posture, as successful exploitation could provide attackers with persistent access to the compromised machine.
Mitigation strategies for CVE-2012-3699 primarily focus on immediate software updates and system hardening measures. Apple addressed this vulnerability in iTunes version 10.7, which included patched WebKit components that properly validate input and handle memory operations. Organizations should implement comprehensive patch management procedures to ensure all affected systems receive the security updates promptly. Additional protective measures include browser isolation techniques, network monitoring for suspicious traffic patterns, and user education about avoiding untrusted websites. Security professionals should also consider implementing application whitelisting policies that restrict execution of unauthorized code and deploy intrusion detection systems that can identify exploitation attempts. This vulnerability aligns with CWE-125, which describes out-of-bounds read conditions, and may map to ATT&CK technique T1059.007 for command and scripting interpreter usage, as exploitation often involves JavaScript-based attacks.