Double Free Affecting tcpreplay package, versions <4.5.1-1


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.33% (25th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-TCPREPLAY-6139084
  • published23 Dec 2023
  • disclosed21 Dec 2023

Introduced: 21 Dec 2023

CVE-2023-4256  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Debian:unstable tcpreplay to version 4.5.1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tcpreplay package and not the tcpreplay package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1