CVE-2023-4256 - CVE House

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Status published Medium CVE-2023-4256

Tcpreplay: tcprewrite: double free in tcpedit_dlt_cleanup() in plugins/dlt_plugins.c

5.5 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Red Hat would like to thank iskindar97@gmail.com for reporting this issue.

References

More from n/a

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Affected Vendor

n/a

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Affected Software

tcpreplay, Extra Packages for Enterprise Linux, Fedora

Vulnerable Versions:

Unknown

Timeline

Official Publish: December 21st, 2023

Last Modified: February 13th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1190 Exploit Public-Facing Application

T1574 Hijack Execution Flow

Privilege Escalation

T1059 Command and Scripting Interpreter

T1485 Data Destruction