CVE-2023-29163 : Security Advisory and Response
Discover the impact of CVE-2023-29163, a vulnerability in BIG-IP appliances related to UDP profiles, with a CVSS base score of 7.5. Learn about affected systems, exploitation risks, and mitigation steps.
A detailed overview of the BIG-IP UDP Profile vulnerability, including its impact, technical details, and mitigation strategies.
Understanding CVE-2023-29163
This section delves into the specifics of CVE-2023-29163, shedding light on the vulnerability's nature and consequences.
What is CVE-2023-29163?
The CVE-2023-29163 vulnerability pertains to BIG-IP appliances where configuring a UDP profile with an idle timeout set to immediate or zero on a virtual server can lead to the termination of TMM due to undisclosed traffic.
The Impact of CVE-2023-29163
The vulnerability poses a high availability impact, with a CVSS v3.1 base score of 7.5, indicating a severe threat with the potential for attackers to disrupt service availability.
Technical Details of CVE-2023-29163
Explore the technical intricacies of CVE-2023-29163, including the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
When a UDP profile with an idle timeout set to immediate or zero is configured on a virtual server, undisclosed traffic can trigger TMM termination, posing a critical risk to system availability.
Affected Systems and Versions
The affected systems include F5's BIG-IP versions 17.0.0, 16.1.2.2, 15.1.5.1, and 14.1.4.6, with specific thresholds for less than version 16.1.3.4 and 15.1.8.2.
Exploitation Mechanism
The vulnerability can be exploited through the manipulation of UDP profiles on virtual servers, leveraging specific configurations to trigger TMM termination.
Mitigation and Prevention
Learn how to mitigate the risks posed by CVE-2023-29163 and implement robust security practices to safeguard systems against such vulnerabilities.
Immediate Steps to Take
F5 recommends updating affected BIG-IP instances to versions that address the vulnerability, ensuring that UDP profiles are configured with appropriate timeouts to prevent potential exploitation.
Long-Term Security Practices
Incorporate regular security assessments and updates, enforce network segmentation, and monitor traffic patterns to detect any anomalous activities that could exploit similar vulnerabilities.
Patching and Updates
Stay informed on security advisories from F5, promptly apply patches and updates, and maintain proactive communication with vendors to address emerging threats effectively.