CVE-2023-4256
5.5 · MEDIUMOverview
CVE-2023-4256 is a medium-severity vulnerability affecting broadcom tcpreplay. It was published on December 21, 2023 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the tcpedit_dlt_cleanup() function within plugins/dlt_plugins.c. This vulnerability can be exploited by supplying a specifically crafted file to the tcprewrite binary. This flaw enables a local attacker to initiate a Denial of Service (DoS) attack.
Remediation
Check the references section for vendor advisories and patches from broadcom. Update tcpreplay to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2023-4256?
CVE-2023-4256 is a medium-severity vulnerability affecting broadcom tcpreplay. It was published on December 21, 2023 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2023-4256?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-4256?
Check the references section for vendor advisories and patches from broadcom. Update tcpreplay to the latest patched version. 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-2023-4256?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-4256 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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