CVE-2023-4762 is a high-severity type confusion vulnerability affecting Google Chrome prior to version 116.0.5845.179. This vulnerability allows remote attackers to execute arbitrary code via a crafted HTML page, presenting significant risks to users and organizations alike. The CVSS score for this vulnerability is 8.8, indicating a high severity level that necessitates immediate attention from security teams.
The vulnerability is classified under CWE-843, which relates to type confusion. This type of vulnerability can lead to potential security breaches, with attackers leveraging it to gain unauthorized access or control over affected systems. With its critical impact on confidentiality, integrity, and availability, organizations must prioritize the remediation of this issue.
The urgency for defenders is underscored by the fact that this vulnerability has been added to the Known Exploited Vulnerabilities (KEV) catalog, highlighting its active exploitation in the wild. Organizations should prioritize patching immediately to prevent potential exploitation.
In summary, CVE-2023-4762 represents a significant risk to users of Google Chrome and related products. Organizations are urged to take appropriate measures to secure their environments against potential exploitation.
Vulnerability Details
This vulnerability allows a remote attacker to execute arbitrary code via a crafted HTML page. The vulnerability resides in the V8 component of Google Chrome and affects multiple products that utilize Chromium technology. Officially published on September 5, 2023, this vulnerability has been analyzed and classified as a high-severity risk.
The CVSS 3.1 score is 8.8 with a vector string of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The attack vector is network-based, with low complexity and no privileges required. User interaction is required for successful exploitation, and it has a high impact on confidentiality, integrity, and availability.
Technical Analysis
The root cause of this vulnerability lies in type confusion within the V8 engine of Google Chrome. Attackers can exploit this vulnerability through crafted web content. The attack complexity is low, meaning that an attacker can exploit this vulnerability without any specialized knowledge. While user interaction is required, the impact of successful exploitation can be significant.
The attack vector is primarily network-based, allowing attackers to exploit vulnerabilities remotely. Furthermore, the user interaction requirement implies that an unsuspecting user must engage with malicious content for the attack to succeed. This situation represents a considerable risk, as it can lead to unauthorized code execution and further compromise of affected systems.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2023-4762 is substantial due to its potential for widespread exploitation. Organizations that utilize Google Chrome and other Chromium-based browsers need to comprehend the implications of this vulnerability. The blast radius could extend to any user who interacts with malicious content, making it imperative for organizations to ensure their users are aware of the risks and to implement protective measures.
Given the vulnerability's inclusion in the KEV catalog, immediate action is required. Organizations should assess their risk posture and implement necessary patches or mitigations as soon as possible. The urgency of this vulnerability demands that it be addressed in priority patch cycles to safeguard against exploit attempts in the wild.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | Yes |
Ransomware Use | No |
Affected Versions
This vulnerability affects all versions of Google Chrome prior to 116.0.5845.179, as well as specific versions of Debian and Fedora. For Debian, affected versions include 11.0 and 12.0, while Fedora versions 37, 38, and 39 are also vulnerable. Microsoft Edge Chromium is affected up to version 116.0.1938.76.
Mitigation & Remediation
Organizations should apply the latest patches provided by Google and other vendors to remediate this vulnerability. For Google Chrome, upgrade to version 116.0.5845.179 or later. If patches are not available, organizations should consider implementing network controls to restrict access to potentially malicious content. Regular security testing, such as penetration testing, can also help identify vulnerabilities and ensure that systems are secured.
Detection Guidance
To detect potential exploitation attempts related to CVE-2023-4762, organizations should monitor for unusual behavior in web applications, unexpected traffic patterns, or logs indicating attempts to exploit this vulnerability. Specific log indicators may include failed attempts to access crafted HTML content or unusual HTTP requests that deviate from normal patterns.
AppSecure Threat Intelligence Insight
CVE-2023-4762 highlights the ongoing challenges in web security and the importance of keeping software updated. Security teams should remain vigilant and conduct regular security assessments to identify vulnerabilities. This incident underscores the need for organizations to implement effective security governance frameworks, continuous monitoring, and comprehensive incident response plans.
Organizations should review their security policies and consider integrating continuous security practices, such as penetration testing methodologies, to proactively manage vulnerabilities. Additionally, they should stay informed about emerging threats and trends in web security to better protect their environments.
Finally, organizations should consider engaging with security experts for guidance on implementing best practices in vulnerability management and incident response to enhance their overall security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)