CVE-2023-43279

Publication date 12 March 2024

Last updated 30 May 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tcpreplay	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Fixed 4.4.4-1ubuntu0.1~esm1
	23.10 mantic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Fixed 4.3.4-1ubuntu0.1~esm2
	20.04 LTS focal	Fixed 4.3.2-1ubuntu0.1~esm3
	18.04 LTS bionic	Fixed 4.2.6-1ubuntu0.1~esm5
	16.04 LTS xenial	Fixed 3.4.4-2+deb8u1ubuntu0.1~esm3

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
tcpreplay	Upstream: 963842c Upstream: 36501b0

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-7231-1
Tcpreplay vulnerabilities
28 January 2025