CVE-2014-1297 in WebKit
Summary
by MITRE
WebKit, as used in Apple Safari before 6.1.3 and 7.x before 7.0.3, does not properly validate WebProcess IPC messages, which allows remote attackers to bypass a sandbox protection mechanism and read arbitrary files by leveraging WebProcess access.
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Analysis
by VulDB Data Team • 05/09/2026
The vulnerability identified as CVE-2014-1297 represents a critical sandbox bypass flaw within Apple Safari's WebKit rendering engine that affected versions prior to 6.1.3 and 7.0.3. This issue stems from inadequate input validation mechanisms within the inter-process communication (IPC) framework that governs interactions between Safari's main process and its WebProcess component. The flaw specifically targets the WebProcess sandbox protection mechanism, which is designed to isolate web content execution from the underlying operating system to prevent malicious code from accessing sensitive system resources.
The technical implementation of this vulnerability exploits a weakness in the WebKit IPC message validation system where the WebProcess fails to properly validate incoming messages before processing them. This validation failure creates an opportunity for remote attackers to craft malicious IPC messages that can circumvent the sandbox boundaries. The vulnerability is particularly dangerous because it allows attackers to escalate privileges from a restricted WebProcess context to a full system-level access state, enabling arbitrary file read operations that would normally be protected by the sandbox mechanism. The flaw operates at the kernel level of process isolation, making it especially severe for user security.
From an operational impact perspective, this vulnerability fundamentally undermines the security model of modern web browsers by allowing remote code execution through seemingly benign web content. Attackers can leverage this flaw to access sensitive files on the victim's system, potentially including browser cache, cookies, local storage, and other user data that should remain isolated from web content. The vulnerability affects the core browser architecture and can be exploited through various attack vectors including malicious websites, phishing campaigns, or compromised web services. The sandbox bypass capability means that even if users are running with restricted permissions, the vulnerability can still allow full system access, making it a critical concern for enterprise security.
The mitigation strategy for CVE-2014-1297 requires immediate patching of affected Safari versions to the patched releases 6.1.3 and 7.0.3, which contain the necessary IPC message validation improvements. Organizations should implement comprehensive browser update policies and consider deploying additional security controls such as network-based intrusion detection systems to monitor for exploitation attempts. The vulnerability aligns with CWE-20, which describes improper input validation, and maps to attack techniques in the ATT&CK framework under privilege escalation and defense evasion categories. Security professionals should also implement browser hardening measures including disabling unnecessary browser features, implementing strict content security policies, and monitoring for suspicious IPC activity patterns that might indicate exploitation attempts. This vulnerability highlights the critical importance of maintaining up-to-date browser software and demonstrates how sandbox bypass vulnerabilities can completely neutralize security boundaries in modern web browsers.