CVE-2023-43279

Published Mar 12, 2024 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Description

Null Pointer Dereference in mask_cidr6 component at cidr.c in Tcpreplay 4.4.4 allows attackers to crash the application via crafted tcprewrite command.

Affected Products

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

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:broadcom:tcpreplay:4.4.4:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:fedoraproject:fedora:38:::::::*
	cpe:2.3:o:fedoraproject:fedora:39:::::::*
	cpe:2.3:o:fedoraproject:fedora:40:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
Ubuntu USN	USN-7231-1	Tcpreplay vulnerabilities

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.673% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://github.com/appneta/tcpreplay/issues/824
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EHUILQV2YJI5TXXXJA5FQ2HJQGFT7NTN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMW5CIODKRHUUH7NTAYIRWGSJ56DTGXM/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMW5CIODKRHUUH7NTAYIRWGSJ56DTGXM/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/

History

Nov 4, 2025 7:30 PM Added references View changes

Type	Values Removed	Values Added
References		https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMW5CIODKRHUUH7NTAYIRWGSJ56DTGXM/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/

Apr 16, 2025 4:00 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Broadcom Broadcom tcpreplay Fedoraproject Fedoraproject fedora
CPEs		cpe:2.3:a:broadcom:tcpreplay:4.4.4:::::::* cpe:2.3:o:fedoraproject:fedora:38:::::::* cpe:2.3:o:fedoraproject:fedora:39:::::::* cpe:2.3:o:fedoraproject:fedora:40:::::::*
Vendors & Products		Broadcom Broadcom tcpreplay Fedoraproject Fedoraproject fedora

Oct 31, 2024 9:15 PM Weaknesses updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-476
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`