CVE-2020-18976
5.5
MEDIUM
CVSS 3.1
EPSS 0.27%
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.
How to fix CVE-2020-18976
To remediate CVE-2020-18976, upgrade the affected package to a fixed version below.
- Debian/tcpreplay—upgrade to 4.3.3-1 or later
Is CVE-2020-18976 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.3.3-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |