CVE-2025-30467 in Safari
Summary
by MITRE • 04/01/2025
The issue was addressed with improved checks. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4. Visiting a malicious website may lead to address bar spoofing.
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Analysis
by VulDB Data Team • 04/01/2025
The vulnerability identified as CVE-2025-30467 represents a critical security flaw in Apple's Safari browser and related operating systems that enables address bar spoofing through malicious web content. This issue affects Safari versions prior to 18.4, including iOS 18.3 and iPadOS 18.3, as well as macOS Sequoia 15.3 and earlier releases. The vulnerability stems from insufficient validation mechanisms that allow attackers to manipulate the browser's address bar display, creating a deceptive user interface that can mislead users about the true origin of web content they are interacting with.
The technical implementation of this vulnerability involves the manipulation of browser rendering processes that control how URL information is displayed in the address bar. Attackers can craft malicious web pages that exploit weaknesses in the browser's visual presentation layer, causing the address bar to display misleading information while maintaining the actual navigation to the malicious site. This type of attack falls under the category of user interface deception and can be particularly dangerous in phishing scenarios where users might be tricked into believing they are visiting legitimate websites while actually interacting with malicious content.
From an operational perspective, this vulnerability poses significant risks to user security and trust in the browser's integrity. The address bar serves as a critical security indicator for users to verify website authenticity, making spoofing attacks particularly effective at bypassing user security awareness. The impact extends beyond simple deception to potentially enable credential theft, malware distribution, and other malicious activities that rely on users' trust in the browser's display information. This vulnerability directly impacts the security model of modern browsers and represents a failure in the principle of least privilege and user verification mechanisms.
The fix implemented in Safari 18.4, iOS 18.4, iPadOS 18.4, and macOS Sequoia 15.4 addresses this issue through enhanced validation checks that strengthen the integrity of address bar presentation. These improvements likely involve stricter controls over how browser components render URL information and additional verification mechanisms that prevent malicious manipulation of the visual interface. The mitigation strategy aligns with security best practices for user interface integrity and follows principles similar to those outlined in the CWE-602 category for client-side attacks where the user's trust is manipulated through interface deception. Organizations should prioritize updating affected systems to prevent exploitation and maintain user security awareness regarding the importance of verifying website authenticity through multiple indicators beyond just address bar content.
This vulnerability demonstrates the ongoing challenges in browser security where sophisticated attacks can exploit seemingly minor interface components to create significant security risks. The remediation approach emphasizes the importance of comprehensive security testing and validation of user interface elements that serve security functions, aligning with ATT&CK framework techniques related to user interface manipulation and social engineering attacks. The fix represents a proactive security measure that addresses a potential attack vector before widespread exploitation could occur, highlighting the importance of continuous security monitoring and timely patch deployment in maintaining secure computing environments.