CVE-2024-8908 in Chrome
Summary
by MITRE • 09/18/2024
Inappropriate implementation in Autofill in Google Chrome prior to 129.0.6668.58 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 03/10/2025
The vulnerability identified as CVE-2024-8908 resides within the Autofill functionality of Google Chrome, specifically affecting versions prior to 129.0.6668.58. This issue represents a security flaw in how the browser handles user interface elements during autofill operations, creating potential for malicious actors to manipulate the display of form elements. The vulnerability falls under the category of improper implementation within browser security mechanisms, as classified by the Chromium project's severity assessment which rated it as low severity. The core concern involves the browser's failure to properly validate or isolate the rendering of autofill-related UI components, potentially allowing attackers to craft HTML pages that could deceive users into interacting with malicious form fields.
The technical flaw manifests when Chrome processes HTML pages containing crafted elements that exploit the Autofill system's user interface rendering behavior. Attackers can construct malicious web pages that manipulate how autofill suggestions or prompts appear to users, potentially leading to confusion about which form fields are being populated. This UI spoofing capability enables adversaries to create deceptive interfaces where legitimate-looking autofill prompts might actually be designed to capture sensitive user data or redirect users to malicious destinations. The vulnerability exploits the trust users place in browser autofill features, leveraging the expectation that such interfaces will be accurately rendered and clearly distinguishable from malicious elements.
The operational impact of this vulnerability extends beyond simple user deception, as it could enable more sophisticated attacks involving credential theft or data exfiltration. When users encounter manipulated autofill prompts, they may unknowingly enter sensitive information into malicious form fields or click on deceptive elements that appear to be legitimate browser functions. This type of attack vector particularly threatens user security when combined with other techniques such as phishing or social engineering, as the browser's own security features become compromised through the manipulation of their user interface components. The low severity rating does not diminish the potential for abuse, as UI spoofing attacks can be highly effective in convincing users to perform unintended actions.
Mitigation strategies for CVE-2024-8908 primarily focus on updating to the patched version of Google Chrome 129.0.6668.58 or later, which addresses the improper implementation in the Autofill system. Users should also maintain awareness of suspicious browser behavior and verify the authenticity of form elements before entering sensitive information. Security professionals should monitor for potential exploitation attempts through web application firewalls and browser security monitoring tools. The vulnerability aligns with CWE-691, which addresses insufficient protection of automated user interface elements, and could potentially be leveraged as part of broader attack chains in the ATT&CK framework under the T1059 category for user execution. Organizations should ensure their browser management policies include regular updates and consider implementing additional security layers such as content security policies to further protect against similar UI manipulation attacks.