CVE-2024-5493 is a high-severity vulnerability affecting Google Chrome, specifically a heap buffer overflow in WebRTC. This flaw allows a remote attacker to exploit heap corruption through a specially crafted HTML page. The vulnerability exists in versions prior to 125.0.6422.141. Organizations using affected versions are at significant risk as the vulnerability’s nature could lead to unauthorized access and data manipulation.
The CVSS score for this vulnerability is 8.8, indicating a high severity level. This high score is due to the potential impact on confidentiality, integrity, and availability, with all three being classified as high. The risk to organizations includes the potential for attackers to execute arbitrary code, leading to unauthorized access and manipulation of sensitive information.
Currently, there is no known public exploit for this vulnerability, and it has not been included in the Known Exploited Vulnerabilities (KEV) catalog. However, organizations should remain vigilant as the exploitability is considered high, and the urgency of patching should reflect the vulnerability’s potential impact.
Organizations should prioritize patching immediately to mitigate the risks associated with CVE-2024-5493. Regular updates and security measures are essential in protecting against vulnerabilities of this nature.
Vulnerability Details
CVE-2024-5493 is classified as a heap buffer overflow vulnerability in the WebRTC component of Google Chrome. The official description states that it allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability has a CVSS score of 8.8, reflecting its high severity. Affected versions include Google Chrome prior to 125.0.6422.141.
The vulnerability is classified under the following Common Weakness Enumerations (CWE): CWE-787 (Out-of-bounds Write) and CWE-122 (Heap-based Buffer Overflow).
Technical Analysis
The root cause of CVE-2024-5493 lies in a heap buffer overflow vulnerability within the WebRTC component of Google Chrome. Attackers may leverage this vulnerability by sending specially crafted HTML content to users, leading to potential heap corruption. The attack vector is classified as network-based, indicating that an attacker can exploit this vulnerability remotely.
The attack complexity is low, meaning that it does not require advanced skills to exploit. No privileges are required to carry out the attack, but user interaction is necessary as users must visit a malicious web page for the exploit to succeed. The impacts on confidentiality, integrity, and availability are all classified as high, highlighting the severity of the potential consequences.
Risk & Impact Analysis
The risk to organizations includes potential unauthorized access to sensitive data, data manipulation, and loss of system integrity. The blast radius is significant, as this vulnerability affects all users of Google Chrome versions prior to 125.0.6422.141. Given the high CVSS score, organizations need to assess the urgency based on their deployment and usage of affected versions.
Organizations should address this vulnerability within their priority patch cycle to mitigate the risk of exploitation. The lack of known exploits does not diminish the importance of immediate remediation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
This vulnerability affects all versions of Google Chrome prior to 125.0.6422.141. Specifically, it impacts Google Chrome running on various operating systems, including Fedora versions 39 and 40.
Mitigation & Remediation
To mitigate the risks associated with CVE-2024-5493, organizations should ensure that they update Google Chrome to the latest version, specifically 125.0.6422.141 or higher. This patch addresses the vulnerability and secures the affected component.
If immediate patching is not feasible, organizations should consider implementing network controls to limit exposure to untrusted HTML content. Regular monitoring of systems for anomalous behavior is also advisable.
Continuous penetration testing can help identify similar weaknesses in systems and applications.
Detection Guidance
Organizations should monitor logs for unusual activity that may indicate exploitation attempts related to this vulnerability. Behavioral anomalies, such as unexpected crashes or resource spikes in Google Chrome, should be investigated promptly.
Network signatures for unusual outbound traffic from Chrome instances can also be useful in detecting potential exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2024-5493 lies in its demonstration of the ongoing challenges in securing modern web applications, particularly those involving real-time communication. This vulnerability is a reminder of the importance of continuous security assessments and updates.
Organizations should adopt a proactive approach to security by continuously monitoring for emerging threats, conducting regular security assessments, and fostering a culture of security awareness among users.
Penetration testing methodology can provide organizations with insights into their security posture and help identify potential gaps.
A vulnerability management program should also be implemented to ensure ongoing identification and remediation of vulnerabilities.
API penetration testing is a critical aspect of securing applications that interact with web services, ensuring that all components are secure against known vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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