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CVE-2023-3748

3.5 · LOW

A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored.

Published Jul 24, 2023CWE-835EPSS 0.78%

Overview

CVE-2023-3748 is a low-severity vulnerability. It was published on July 24, 2023 and has a CVSS 3.1 base score of 3.5 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored. This issue may allow an attacker to send specially crafted hello messages with the unicast flag set, the interval field set to 0, or any TLV that contains a sub-TLV with the Mandatory flag set to enter an infinite loop and cause a denial of service.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refaccess.redhat.com/security/cve/CVE-2023-3748Refbugzilla.redhat.com/show_bug.cgi?id=2223668Refaccess.redhat.com/security/cve/CVE-2023-3748Refbugzilla.redhat.com/show_bug.cgi?id=2223668

How CyberStrike helps

Frequently asked questions

What is CVE-2023-3748?

CVE-2023-3748 is a low-severity vulnerability. It was published on July 24, 2023 and has a CVSS 3.1 base score of 3.5 (LOW).

How severe is CVE-2023-3748?

This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-3748?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-3748?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-3748 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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