CVE-2022-4915 in Chrome
Summary
by MITRE • 07/29/2023
Inappropriate implementation in URL Formatting in Google Chrome prior to 103.0.5060.134 allowed a remote attacker to perform domain spoofing 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-2022-4915 represents a significant security flaw in Google Chrome's URL formatting implementation that existed prior to version 103.0.5060.134. This issue falls under the category of improper input validation and rendering logic within the browser's user interface components, specifically affecting how URLs are displayed to users during navigation and interaction with web content. The flaw enables malicious actors to manipulate the visual representation of web addresses in ways that could deceive users into believing they are visiting legitimate websites when they are actually interacting with fraudulent domains. This type of vulnerability directly impacts user trust and security awareness within the browser environment.
The technical implementation flaw occurs in Chrome's handling of URL display mechanisms where the browser fails to properly sanitize or validate certain URL components when rendering them in the address bar or other user interface elements. Attackers can craft malicious HTML pages that exploit this weakness by manipulating URL formatting parameters, potentially causing the browser to display misleading domain information to users. The vulnerability specifically targets the visual presentation layer rather than the underlying network communication or authentication mechanisms, making it particularly dangerous because users may not immediately recognize they are being deceived by the interface manipulation. This behavior aligns with CWE-20, which describes improper input validation, and represents a form of user interface deception that undermines security assumptions.
The operational impact of CVE-2022-4915 extends beyond simple visual deception to potentially enable more sophisticated phishing attacks and social engineering campaigns. Users may be tricked into entering sensitive information on fraudulent websites that appear legitimate due to the spoofed URL display. The medium severity classification indicates that while the vulnerability does not directly compromise system integrity or allow arbitrary code execution, it creates a significant trust boundary violation that could be exploited in conjunction with other attack vectors. This flaw particularly affects users who rely heavily on visual cues for website verification and can be particularly damaging in enterprise environments where users may be targeted by spear-phishing campaigns.
Organizations and users should immediately update to Chrome version 103.0.5060.134 or later to remediate this vulnerability, as the fix addresses the underlying URL formatting logic that was susceptible to manipulation. Browser vendors and security teams should monitor for similar implementation flaws in URL rendering and display mechanisms across different browser platforms. The vulnerability demonstrates the importance of maintaining rigorous input validation in user interface components, particularly those that directly influence user trust and security decisions. Security professionals should also consider implementing additional monitoring for suspicious URL patterns and user behavior that might indicate successful exploitation attempts. This incident highlights the critical need for comprehensive security testing of user interface elements that handle user-facing information, as these components often represent attack surfaces that are underappreciated in traditional security assessments.