CVE-2012-0599 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-2012-0599 represents a critical memory corruption flaw within WebKit engine components that power Apple's iOS and iTunes applications. This vulnerability specifically affects versions of Apple iOS prior to 5.1 and iTunes versions prior to 10.6, creating a significant attack surface for remote threat actors. The flaw enables malicious actors to craft specially designed web pages that can trigger arbitrary code execution or induce denial of service conditions through memory corruption mechanisms. Unlike other WebKit vulnerabilities documented in the referenced Apple security advisories, CVE-2012-0599 presents distinct characteristics that make it particularly dangerous in mobile and desktop environments where users frequently interact with untrusted web content.
The technical implementation of this vulnerability stems from improper memory management within WebKit's rendering engine, specifically in how it handles certain web page elements or JavaScript constructs. When a user visits a maliciously crafted website, the WebKit engine processes the page content in a manner that leads to memory corruption, potentially allowing attackers to overwrite critical memory locations or execute malicious code within the application context. This type of vulnerability typically manifests through buffer overflows, use-after-free conditions, or other memory management errors that occur during web page rendering or script execution phases. The attack vector leverages the web browser's ability to parse and render complex web content, making it particularly effective against users who browse the internet regularly through Apple's ecosystem.
The operational impact of CVE-2012-0599 extends beyond simple application crashes, as it provides attackers with the capability to execute arbitrary code remotely on affected systems. This remote code execution vulnerability allows threat actors to potentially install malware, steal user data, or take complete control of affected devices. The denial of service component can be equally disruptive, causing applications to crash repeatedly and rendering the device unusable until a restart occurs. For Apple iOS users, this vulnerability particularly threatens mobile security since the operating system's web browsing capabilities are integral to daily usage patterns. The impact is compounded by the fact that users may unknowingly visit malicious websites through phishing campaigns, compromised web applications, or social engineering tactics that exploit the trust users place in web content.
Mitigation strategies for CVE-2012-0599 primarily focus on immediate system updates and security patches provided by Apple. Users should promptly upgrade to iOS 5.1 or later versions and iTunes 10.6 or newer to address the memory corruption issues within WebKit. Network administrators should implement web filtering solutions and browser security policies that restrict access to untrusted websites, particularly those known to host malicious content. Additionally, security awareness training for users can help prevent accidental exposure to malicious websites through social engineering attacks. Organizations should consider implementing endpoint protection solutions that monitor for suspicious memory access patterns and unusual application behavior that might indicate exploitation attempts. This vulnerability aligns with CWE-119, which addresses memory safety issues in software systems, and represents a typical example of how browser engine vulnerabilities can be exploited for remote code execution attacks. The ATT&CK framework categorizes this vulnerability under the T1059 technique for executing malicious code through web browsers and T1499 for causing denial of service conditions, highlighting the multi-faceted nature of the threat posed by this particular flaw.