CVE-2020-18976

NameCVE-2020-18976
DescriptionBuffer 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tcpreplay (PTS)stretch3.4.4-3vulnerable
buster4.3.1-1vulnerable
bullseye4.3.3-2fixed
bookworm, sid4.3.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tcpreplaysource(unstable)4.3.3-1unimportant

Notes

https://github.com/appneta/tcpreplay/issues/556
Crash in CLI tool, no security impact

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