| Name | CVE-2020-18976 |
| Description | Buffer Overflow in Tcpreplay v4.3.2 allows attackers to cause a Denial of Service via the 'do_checksum' function in 'checksum.c'. It can be triggered by sending a crafted pcap file to the 'tcpreplay-edit' binary. This issue is different than CVE-2019-8381. |
| 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) | jessie | 3.4.4-2+deb8u1 | vulnerable |
| stretch | 3.4.4-3 | vulnerable |
| buster | 4.3.1-1 | vulnerable |
| bullseye | 4.3.3-2 | fixed |
| bookworm | 4.4.3-1 | fixed |
| 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 | jessie | (unfixed) | end-of-life | | |
| tcpreplay | source | (unstable) | 4.3.3-1 | unimportant | | |
Notes
https://github.com/appneta/tcpreplay/issues/556
Crash in CLI tool, no security impact