What is CVE-2023-4586?

CVE-2023-4586 is a moderate-severity vulnerability affecting the Hot Rod client, a component used in certain software configurations. This security issue arises due to the Hot Rod client not enabling hostname validation when using TLS, potentially leading to a man-in-the-middle (MITM) attack. Systems using the Hot Rod client with TLS are at risk, although specific platforms and systems are not explicitly mentioned. It's essential for users to be aware of this vulnerability and take appropriate measures to mitigate the risk.

Who is impacted by CVE-2023-4586?

Users of the Hot Rod client, a component in certain software configurations, are affected by the CVE-2023-4586 vulnerability. This security issue is due to the client not enabling hostname validation when using TLS, which could lead to a man-in-the-middle attack. Specific versions of Red Hat Data Grid and Infinispan Hot Rod are impacted by this vulnerability. It's important for users to be aware of this issue and take appropriate measures to protect their systems.

What should I do if I’m affected?

If you're affected by the CVE-2023-4586 vulnerability, it's important to take action to protect your systems. Follow these simple steps:

1. Check if you're using Red Hat Data Grid 8.4.6 or Infinispan Hot Rod, as these are affected by the vulnerability.

2. Ensure all previously released errata relevant to your system have been applied.

3. Monitor updates from Red Hat and apply any patches or updates as they become available.

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2023-4586 vulnerability, which affects the Hot Rod client and can lead to a man-in-the-middle attack, is not listed in CISA's Known Exploited Vulnerabilities Catalog. The vulnerability was made public on August 28, 2023, and has a moderate severity.

Weakness Enumeration

The weakness enumeration for this vulnerability is categorized as CWE-295 (Improper Certificate Validation) and CWE-20 (Improper Input Validation), related to the Hot Rod client and TLS usage.

Learn More

For a comprehensive understanding of this vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the NVD page or the resources listed below.

• Red Hat Security Advisory

• Red Hat CVE Page

• Red Hat Bugzilla