CVE-2007-3758 in iPhone
Summary
by MITRE
Safari in Apple iPhone 1.1.1, and Safari 3 before Beta Update 3.0.4 on Windows and in Mac OS X 10.4 through 10.4.10, allows remote attackers to set Javascript window properties for web pages that are in a different domain, which can be leveraged to conduct cross-site scripting (XSS) attacks.
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Analysis
by VulDB Data Team • 07/30/2019
This vulnerability resides in the web browser component of Apple's Safari browser across multiple platforms and versions, specifically affecting iPhone 1.1.1 and Safari 3 before Beta Update 3.0.4 on both Windows and Mac OS X 10.4 through 10.4.10. The core issue stems from improper enforcement of the same-origin policy, a fundamental security mechanism that prevents scripts from one domain from accessing or manipulating resources from another domain. This flaw allows malicious actors to exploit the browser's JavaScript window object properties, creating a pathway for cross-site scripting attacks that bypass normal security boundaries.
The technical implementation of this vulnerability involves the browser's failure to properly validate and restrict access to window properties when executing JavaScript code from different domains. When a web page attempts to access or modify window properties of another domain, the security restrictions that should normally prevent such actions are not properly enforced. This creates a scenario where attackers can inject malicious JavaScript code that manipulates window objects across domain boundaries, effectively breaking the isolation that should exist between different web origins.
From an operational perspective, this vulnerability significantly increases the attack surface for remote attackers who can leverage it to execute arbitrary code in the context of other domains. The impact extends beyond simple XSS attacks to potentially enable more sophisticated exploitation techniques, including session hijacking, credential theft, and data exfiltration. Attackers can craft malicious web pages that, when visited by users of the affected Safari versions, can manipulate the browser's behavior to perform actions that should be restricted by security policies.
The vulnerability aligns with CWE-94, which describes weaknesses in which a program allows untrusted input to be interpreted as code, and specifically relates to improper restriction of operations within a recognized security boundary. This weakness falls under the broader category of cross-site scripting vulnerabilities and can be mapped to ATT&CK technique T1059.007 for script-based execution and T1566 for spearphishing with attachments. The affected platforms represent a critical security gap in Apple's web browser implementation that could be exploited in targeted attacks against users of these specific versions.
Mitigation strategies should focus on immediate patching of affected Safari versions and implementation of additional security controls such as Content Security Policy headers, proper input validation, and regular security updates for all browser components. Organizations should also implement web application firewalls and monitoring systems to detect anomalous JavaScript behavior that might indicate exploitation attempts. The vulnerability underscores the importance of maintaining up-to-date browser software and implementing defense-in-depth strategies to protect against sophisticated cross-site scripting attacks that exploit fundamental security mechanisms.