CVE-2023-39248 : Security Advisory and Response
Discover the high severity Dell OS10 Networking Switches vulnerability (CVE-2023-39248) allowing remote attackers to cause denial of service. Learn how to mitigate this risk.
A high severity vulnerability has been identified in Dell OS10 Networking Switches version 10.5.2.x and above. This vulnerability could allow a remote, unauthenticated user to flood the network, leading to denial of service for legitimate network users. Dell has recommended an immediate upgrade to mitigate this issue.
Understanding CVE-2023-39248
This section delves into the details of the CVE-2023-39248 vulnerability.
What is CVE-2023-39248?
Dell OS10 Networking Switches running version 10.5.2.x and higher are affected by an Uncontrolled Resource Consumption (Denial of Service) vulnerability. The issue arises when switches are configured with VLT and VRRP, allowing a remote unauthenticated user to flood the network, causing a denial of service.
The Impact of CVE-2023-39248
This vulnerability is classified as high severity as it can result in a network outage initiated by an attacker. Legitimate network users may face denial of service due to this security flaw.
Technical Details of CVE-2023-39248
Explore the technical aspects of CVE-2023-39248 to understand the vulnerability better.
Vulnerability Description
The vulnerability involves an uncontrolled resource consumption, specifically affecting Dell OS10 Networking Switches running version 10.5.2.x and above. When combined with VLT and VRRP configurations, it allows unauthorized flooding of the network.
Affected Systems and Versions
Dell Networking OS10 version 10.5.5.5 is confirmed to be affected by this vulnerability.
Exploitation Mechanism
A remote unauthenticated user can exploit this vulnerability by flooding the network, causing a denial of service for genuine network users.
Mitigation and Prevention
Learn how to safeguard your systems against CVE-2023-39248 to prevent potential attacks.
Immediate Steps to Take
Customers are advised to upgrade their Dell OS10 Networking Switches to a secure version promptly to mitigate the risk associated with this vulnerability.
Long-Term Security Practices
Implement robust network security measures to safeguard against similar vulnerabilities in the future.
Patching and Updates
Regularly check for security updates from Dell to ensure that your network infrastructure is protected.