CVE-2012-0597 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-2012-0597 represents a critical memory corruption flaw within WebKit engine components that power Apple's mobile operating system iOS and desktop media application iTunes. This vulnerability exists in versions of WebKit prior to iOS 5.1 and iTunes 10.6, creating a persistent security risk that attackers could exploit to gain unauthorized code execution capabilities or induce system instability through deliberate denial of service conditions. The flaw specifically manifests when WebKit processes maliciously crafted web content, leading to unpredictable memory behavior that can result in application crashes or complete system compromise.
The technical nature of this vulnerability stems from improper memory management within WebKit's rendering engine, particularly in how it handles certain web page elements and data structures. Attackers can construct malicious web pages containing specially crafted HTML, JavaScript, or multimedia content that triggers buffer overflows or use-after-free conditions within WebKit's memory allocation routines. These memory corruption issues occur during the parsing and rendering of web content, where the engine fails to properly validate input data before allocating or accessing memory regions. The vulnerability's classification aligns with CWE-122, which describes buffer overflow conditions, and CWE-476, which covers null pointer dereferences that can lead to memory corruption scenarios.
The operational impact of CVE-2012-0597 extends beyond simple application crashes to encompass full system compromise potential. When successfully exploited, this vulnerability allows remote attackers to execute arbitrary code within the context of the affected applications, potentially enabling privilege escalation attacks or complete system takeover. The memory corruption can manifest as application crashes, system hangs, or more dangerous scenarios where attackers gain the ability to inject malicious code into the system. This vulnerability particularly affects mobile users who may unknowingly visit compromised websites while browsing, as well as desktop users who might encounter malicious content through iTunes' web browsing capabilities or web-based media integration features.
Security professionals should consider this vulnerability in the context of the broader ATT&CK framework, specifically under the Tactic of Execution where attackers leverage memory corruption to run malicious code, and under the Defense Evasion techniques where such vulnerabilities can be used to bypass security controls. The vulnerability demonstrates the critical importance of web browser security in modern computing environments where users frequently interact with untrusted web content. Organizations and individuals should prioritize immediate patching of affected systems, implementing network-level controls to block suspicious web content, and maintaining comprehensive monitoring for exploitation attempts. The vulnerability also highlights the necessity of regular security updates and the risks associated with delayed patch management in mobile and desktop environments where WebKit serves as the core rendering engine for web content processing.