CVE-2023-38180 is classified as a denial of service vulnerability affecting Microsoft .NET and Visual Studio. With a CVSS score of 7.5, this high-severity issue presents significant risks to organizations that rely on these technologies. The vulnerability can be triggered over a network with low complexity, requiring no privileges or user interaction, which means it can be exploited easily by attackers.
Risk to organizations includes potential downtime and service interruptions, which can significantly impact operations. Given the nature of the vulnerability, the urgency for defenders to apply mitigations is critical. Organizations should prioritize patching immediately to prevent exploitation.
The vulnerability was published on August 8, 2023. It is actively tracked within the Known Exploited Vulnerabilities (KEV) catalog, indicating that it is of particular interest for immediate remediation. The potential for denial of service makes it essential for organizations to address this vulnerability as part of their security posture.
Organizations utilizing affected versions of Microsoft .NET and Visual Studio should take swift action to remediate this vulnerability. The urgency is heightened due to its high severity rating and the potential for significant impact if exploited in the wild.
Vulnerability Details
The official description for CVE-2023-38180 states that it is a denial of service vulnerability within .NET and Visual Studio. The CVSS score of 7.5 indicates high severity, primarily due to its potential for availability impact. The vulnerability affects several versions of .NET, ASP.NET Core, and Visual Studio 2022, particularly those before specified version thresholds.
This vulnerability falls under CWE-400, indicating that it can lead to resource exhaustion, thereby impacting service availability. Detailed configurations affected include .NET versions from 6.0.0 up to but not including 6.0.21, ASP.NET Core from 2.1 to 2.1.40, and various Visual Studio 2022 versions prior to 17.2.18, 17.4.10, and 17.6.6.
Technical Analysis
The root cause of CVE-2023-38180 is linked to the way certain network requests are processed within the affected software components. Given that the attack vector is network-based and the complexity is low, attackers can exploit this vulnerability without the need for authentication or user interaction, making it particularly dangerous.
The impact on availability is categorized as high, indicating that successful exploitation can lead to significant disruption of services. Organizations must be vigilant and ensure that they take adequate measures against this vulnerability.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2023-38180 is substantial. Organizations utilizing the affected versions of .NET and Visual Studio are exposed to potential service outages that could disrupt critical business operations. The blast radius could extend to all applications relying on these frameworks, underlining the necessity for immediate remediation.
Given the CVSS score of 7.5 and its inclusion in the KEV catalog, organizations must treat this vulnerability as a high priority. The potential for significant operational impact necessitates a thorough and urgent response from security teams.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | Yes |
Ransomware Use | No |
Affected Versions
The affected versions of the software include .NET versions from 6.0.0 to 6.0.21, ASP.NET Core from 2.1 to 2.1.40, and Visual Studio 2022 versions from 17.2.0 to 17.2.18, 17.4.0 to 17.4.10, and 17.6.0 to 17.6.6. Organizations should ensure they are using patched versions to mitigate potential risks.
Mitigation & Remediation
To remediate CVE-2023-38180, organizations must apply the latest patches provided by Microsoft. For those unable to install the patches immediately, it is recommended to implement network controls to limit exposure to the affected software. Additionally, organizations should monitor their systems for unusual behavior.
For comprehensive security practices, organizations may consider engaging in penetration testing to identify and address any additional vulnerabilities.
Detection Guidance
Organizations should monitor logs for indicators of potential exploitation attempts, such as unusual traffic patterns or system resource exhaustion. Additionally, behavioral anomalies in the applications running .NET and Visual Studio should be closely observed.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2023-38180 lies in its potential to disrupt services, emphasizing the importance of robust security practices. Security teams should be aware of patterns related to denial of service vulnerabilities and ensure they are prepared for similar threats. A strategic defensive takeaway is to maintain an ongoing vulnerability management program to promptly address any emerging risks.
For more insights on vulnerability management, refer to our vulnerability management program guide.
Additionally, organizations should consider a focus on penetration testing methodology to assess their defenses against potential threats.
Finally, organizations should stay informed on the latest trends in security testing to ensure they are employing the best strategies for risk management.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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