VULNERABILITY INTELLIGENCE

CVE-2020-18976

CVSS score5.5 MEDIUM

EPSS probability0.66%

CISA KEVNot currently listed

Published2021-08-25

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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.

Weakness classification

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Primary references

cve@mitre.org — Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Third Party Advisory