CVE-2022-4910 in Chrome
Summary
by MITRE • 07/29/2023
Inappropriate implementation in Autofill in Google Chrome prior to 107.0.5304.62 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)
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Analysis
by VulDB Data Team • 08/23/2023
The vulnerability identified as CVE-2022-4910 represents a critical flaw in Google Chrome's Autofill implementation that existed prior to version 107.0.5304.62. This security issue falls under the category of improper implementation within Chrome's autofill functionality, which is designed to automatically populate web forms with previously entered user data. The flaw allows remote attackers to circumvent intended navigation restrictions through the careful construction of malicious HTML content, creating a significant bypass mechanism that undermines the browser's security model. The Chromium security severity rating of Medium indicates the vulnerability's potential impact on user security and privacy.
The technical nature of this vulnerability stems from how Chrome's Autofill system handles certain HTML elements and navigation events during page rendering. When a crafted HTML page is loaded, the autofill mechanism incorrectly processes specific form elements or navigation triggers, allowing attackers to manipulate the browser's expected behavior. This improper handling creates a pathway where navigation restrictions that should prevent certain user interactions or page transitions can be bypassed. The vulnerability specifically targets the interaction between the autofill system and the browser's navigation controls, exploiting a gap in the validation and processing logic.
From an operational perspective, this vulnerability presents a substantial risk to users who may inadvertently encounter malicious web pages containing the crafted HTML payload. Attackers could leverage this flaw to redirect users to unintended destinations, inject malicious content, or perform actions that would normally be restricted by the browser's security policies. The bypass capability undermines the fundamental security assumptions of web navigation controls and could potentially enable more sophisticated attacks such as phishing attempts or unauthorized data access. Users who regularly interact with web forms or have autofill enabled would be particularly vulnerable to exploitation through this vector.
The mitigation strategy for CVE-2022-4910 centers on updating to Google Chrome version 107.0.5304.62 or later, which includes the necessary patches to address the flawed autofill implementation. Organizations should prioritize this update across all affected systems and implement comprehensive security monitoring to detect potential exploitation attempts. Additionally, security teams should consider implementing network-level controls to monitor for suspicious HTML content patterns that might indicate attempts to exploit this vulnerability. The fix addresses the root cause by correcting the navigation restriction bypass mechanism within the autofill system, ensuring that proper security boundaries are maintained during form processing operations.
This vulnerability aligns with several cybersecurity frameworks and threat models, particularly those addressing browser-based attacks and client-side exploitation techniques. The issue demonstrates characteristics consistent with CWE-284 (Improper Access Control) and relates to ATT&CK technique T1059.001 (Command and Scripting Interpreter: PowerShell) through potential exploitation vectors that could lead to further system compromise. The flaw also connects to broader concerns about browser security boundaries and the integrity of user interaction controls within web applications, emphasizing the importance of proper input validation and security model enforcement in client-side software components.