CVE-2012-0610 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-2012-0610 represents a critical memory corruption flaw within WebKit, the rendering engine that powers Apple's web browsing capabilities in iOS and iTunes applications. This vulnerability specifically affects Apple iOS versions prior to 5.1 and iTunes versions before 10.6, creating a significant attack surface that could be exploited by remote threat actors. The flaw enables malicious actors to craft specially designed websites that can trigger arbitrary code execution or cause application crashes, fundamentally compromising the security and stability of affected systems. The vulnerability operates through a sophisticated memory corruption mechanism that leverages specific parsing behaviors within the WebKit engine, making it particularly dangerous as it can be triggered through normal web browsing activities without any user interaction beyond visiting the malicious site.
The technical implementation of this vulnerability stems from improper memory management within WebKit's handling of certain web content structures, creating conditions where attacker-controlled data can overwrite critical memory locations. This type of flaw typically falls under the CWE-125 vulnerability category, which describes out-of-bounds read conditions that can lead to memory corruption and arbitrary code execution. The vulnerability's exploitation pathway involves crafting web content that, when processed by the vulnerable WebKit engine, triggers memory corruption through improper buffer handling or object management. The attack vector is particularly insidious because it requires no user interaction beyond visiting a malicious website, making it a prime target for drive-by download attacks and social engineering campaigns. The memory corruption manifests as either heap corruption or stack corruption depending on the specific code path triggered, leading to unpredictable behavior that can be leveraged to execute malicious code with the privileges of the affected application.
The operational impact of CVE-2012-0610 extends beyond simple application crashes, as it provides attackers with the capability to execute arbitrary code on affected systems, potentially leading to complete system compromise. This vulnerability creates a persistent threat vector that can be exploited across multiple platforms, including mobile devices running iOS and desktop systems running iTunes, significantly expanding the potential attack surface. The vulnerability's classification as a remote code execution flaw means that attackers can compromise systems without requiring physical access or local network privileges, making it particularly dangerous in enterprise environments where mobile devices are commonly used. The memory corruption nature of this vulnerability also makes it difficult to detect through traditional security monitoring, as the exploitation may not immediately manifest as obvious malicious activity, instead causing subtle system instability that can be easily overlooked. Organizations using affected versions of iOS or iTunes face significant risk of data breaches, system compromise, and potential lateral movement within their networks.
Mitigation strategies for CVE-2012-0610 require immediate patching of affected systems to address the underlying memory corruption issue within WebKit. Apple released security updates in March 2012 that resolved this vulnerability, and organizations should prioritize updating to iOS 5.1 and iTunes 10.6 or later versions to eliminate the risk. Network-based mitigations such as web application firewalls and content filtering systems can provide additional protection by blocking access to known malicious domains, though these measures are not foolproof given the nature of the vulnerability. Security monitoring should include detection of unusual memory access patterns and application crashes that could indicate exploitation attempts. The vulnerability's impact on both mobile and desktop platforms necessitates comprehensive patch management across all affected systems, with particular attention to legacy devices that may not receive continued support. Organizations should also implement network segmentation to limit the potential impact of successful exploitation and maintain detailed system monitoring to detect any anomalous behavior that could indicate an attack attempt. Given the vulnerability's classification as a remote code execution flaw, the implementation of defense-in-depth strategies including endpoint protection, network monitoring, and regular security assessments becomes critical for maintaining overall system security posture.