CVE-2020-18976 - Vulnerability Details - OpenCVE

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.

Published: 2021-08-25

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:broadcom:tcpreplay:4.3.2:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-10887	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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00665.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/appneta/tcpreplay/issues/556

History

No history.

Subscriptions

Broadcom Tcpreplay

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-08-25T15:54:05.000Z

Updated: 2024-08-04T14:08:30.547Z

Reserved: 2020-08-13T00:00:00.000Z

Link: CVE-2020-18976

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-08-25T16:15:08.687

Modified: 2026-06-17T02:59:31.873

Link: CVE-2020-18976

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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

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