Buffer Overflow Vulnerability in Tcpreplay by Appneta
CVE-2020-18976

5.5MEDIUM

Key Information:

Vendor

Broadcom
Status
Tcpreplay
Vendor
CVE Published:
25 August 2021

What is CVE-2020-18976?

A buffer overflow flaw in Tcpreplay version 4.3.2 allows malicious actors to create a Denial of Service condition by exploiting the 'do_checksum' function within 'checksum.c'. This vulnerability is triggered when a specially crafted pcap file is sent to the 'tcpreplay-edit' binary, leading to potential disruptions in service functionality.

References

https://github.com/appneta/tcpreplay/issues/556
x_refsource_MISC

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.