CVE-2012-0604 in iOS
Summary
by MITRE
WebKit, as used in Apple iOS before 5.1 and iTunes before 10.6, 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-2012-03-07-1 and APPLE-SA-2012-03-07-2.
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Analysis
by VulDB Data Team • 01/11/2025
The vulnerability identified as CVE-2012-0604 represents a critical memory corruption flaw within WebKit, the rendering engine that powers Apple's Safari browser and various other applications including iOS web views and iTunes. This vulnerability specifically affects Apple iOS versions prior to 5.1 and iTunes versions before 10.6, creating a significant attack surface that adversaries could exploit to gain unauthorized code execution or disrupt system operations. The flaw demonstrates the inherent complexity of modern web rendering engines and their susceptibility to sophisticated exploitation techniques that can lead to complete system compromise.
The technical nature of this vulnerability stems from improper memory handling within WebKit's processing of web content, particularly when encountering malformed or specially crafted web pages. Attackers can construct malicious websites that, when loaded in affected versions of iOS or iTunes, trigger memory corruption conditions that result in unpredictable behavior. These memory corruption issues typically manifest through buffer overflows, use-after-free errors, or other memory management flaws that allow attackers to manipulate program execution flow. The vulnerability operates at a low level within the browser engine, making it particularly dangerous as it can be leveraged to execute arbitrary code with the privileges of the affected application, potentially leading to complete system compromise.
The operational impact of this vulnerability extends beyond simple denial of service conditions, as it enables remote code execution capabilities that can be exploited by malicious actors without user interaction. When a user visits a compromised website, the malicious code can be automatically executed, potentially leading to data theft, system control, or further exploitation of the device. The vulnerability's classification as a memory corruption issue aligns with common attack patterns described in the attack tree model, where memory-based vulnerabilities represent one of the most prevalent and dangerous classes of exploits in modern operating systems. This flaw particularly affects mobile and desktop environments where users frequently browse the internet, making it a high-priority target for threat actors seeking to compromise user devices.
Mitigation strategies for CVE-2012-0604 primarily involve immediate software updates and patches provided by Apple to address the underlying memory corruption issues. Organizations and individuals should prioritize updating to iOS 5.1 or later versions and iTunes 10.6 or higher, which contain the necessary fixes for this vulnerability. Additionally, network-level defenses such as web application firewalls and content filtering solutions can help prevent access to known malicious websites, though these measures provide only partial protection since the vulnerability exists within the core browser engine. Security practitioners should also implement monitoring solutions to detect suspicious network traffic patterns that might indicate exploitation attempts, aligning with the defensive strategies recommended in the MITRE ATT&CK framework for web-based attacks. The vulnerability demonstrates the importance of maintaining up-to-date software and implementing layered security approaches to protect against memory corruption exploits that can be leveraged for remote code execution.