| 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, LWN, oss-sec, fulldisc, 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) | bullseye | 4.3.3-2 | vulnerable |
| bookworm | 4.4.3-1 | vulnerable |
| sid, trixie | 4.5.1-1 | 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