CVE-2023-27786

Publication date 16 March 2023

Last updated 28 January 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service via the macinstring function.

Status

Show unmaintained releases

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

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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: 342d29d

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-7231-1
Tcpreplay vulnerabilities
28 January 2025