CVE-2024-8907 in Chrome
Summary
by MITRE • 09/18/2024
Insufficient data validation in Omnibox in Google Chrome on Android prior to 129.0.6668.58 allowed a remote attacker who convinced a user to engage in specific UI gestures to inject arbitrary scripts or HTML (XSS) via a crafted set of UI gestures. (Chromium security severity: Medium)
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Analysis
by VulDB Data Team • 09/30/2024
The vulnerability identified as CVE-2024-8907 represents a critical security flaw in the Omnibox functionality of Google Chrome for Android platforms. This issue stems from inadequate input validation mechanisms that fail to properly sanitize user interactions within the browser's address bar interface. The vulnerability specifically affects Chrome versions prior to 129.0.6668.58 and operates through a sophisticated attack vector that leverages user interface manipulation rather than traditional web-based exploitation methods. The flaw exists within the Chromium-based browser architecture and demonstrates the inherent risks associated with complex UI interaction handling in modern web browsers. Security researchers have classified this vulnerability with a medium severity rating by Chromium standards, though the potential impact on user security remains significant due to the accessibility of the attack vector through social engineering techniques.
The technical exploitation of this vulnerability occurs through carefully crafted sequences of user interface gestures that bypass Chrome's normal input validation processes. Attackers can manipulate the Omnibox behavior by guiding victims through specific touch interactions that ultimately result in script injection or HTML injection within the browser context. This type of cross-site scripting vulnerability allows malicious actors to execute arbitrary code within the victim's browser environment, potentially leading to session hijacking, data theft, or further exploitation of the compromised system. The vulnerability's classification under CWE-79 (Cross-site Scripting) demonstrates its fundamental nature as an input validation failure that permits malicious code execution. The attack requires user interaction through specific UI gestures, making it a prime example of a user-initiated attack vector that leverages social engineering elements to achieve code execution.
The operational impact of CVE-2024-8907 extends beyond simple script injection capabilities to potentially enable more sophisticated attacks against Android users. When users engage with the manipulated UI gestures, the browser's security boundaries are effectively compromised, allowing attackers to execute malicious code within the context of the victim's browsing session. This vulnerability can be particularly dangerous in environments where users frequently interact with potentially malicious websites or where social engineering campaigns are employed to manipulate users into performing the required gestures. The attack vector demonstrates how modern mobile browser security models must account for gesture-based interactions as potential attack surfaces. Organizations and users should consider this vulnerability in the context of broader mobile security frameworks and the increasing complexity of mobile browser interfaces that present new attack vectors beyond traditional web-based exploits.
Mitigation strategies for CVE-2024-8907 primarily focus on immediate software updates and user education regarding suspicious interaction patterns. The most effective remediation involves upgrading to Chrome version 129.0.6668.58 or later, which includes patched validation mechanisms for Omnibox interactions. Security teams should implement proactive monitoring for unusual user behavior patterns that might indicate attempted exploitation of this vulnerability. Browser security configurations should be reviewed to ensure that existing security policies effectively address gesture-based attack vectors. Additionally, user awareness programs should emphasize the importance of avoiding suspicious UI interactions and recognizing potential social engineering attempts that might lead to exploitation. Organizations implementing mobile device management solutions should consider deploying automatic update policies to ensure rapid remediation across their user base. The vulnerability highlights the importance of maintaining current security practices and demonstrates how even seemingly benign UI interactions can become attack vectors when proper validation mechanisms are absent, aligning with ATT&CK framework concepts related to privilege escalation and execution through user interface manipulation.