CVE-2023-4256

Name	CVE-2023-4256
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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
tcpreplay (PTS)	bookworm	4.4.3-1	vulnerable
	trixie	4.5.1-1	fixed
	forky, sid	4.5.4-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
tcpreplay	source	(unstable)	4.5.1-1	unimportant

Notes

https://github.com/appneta/tcpreplay/issues/813
https://github.com/appneta/tcpreplay/pull/855
https://github.com/appneta/tcpreplay/pull/866
https://github.com/appneta/tcpreplay/commit/d00951bca056cd50c3e85d1ce8a66ae68be15710 (v4.5.0-beta1)
https://github.com/appneta/tcpreplay/commit/84dee5ed840d3ee6aa395d4bd8cc5dcb06484ebe (v4.5.0-beta1)
Crash in CLI tool, no security impact