CVE-2018-18409

Publication date 17 October 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A stack-based buffer over-read exists in setbit() at iptree.h of TCPFLOW 1.5.0, due to received incorrect values causing incorrect computation, leading to denial of service during an address_histogram call or a get_histogram call.

From the Ubuntu Security Team

It was discovered that tcpflow mishandled certain crafted input. An attacker could use this vulnerability to cause a denial of service (crash) or possibly execute arbitrary code.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tcpflow	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Fixed 1.4.5+repack1-4ubuntu0.18.10.1
	18.04 LTS bionic	Fixed 1.4.5+repack1-4ubuntu0.18.04.1
	16.04 LTS xenial	Fixed 1.4.5+repack1-1ubuntu0.1
	14.04 LTS trusty	Fixed 1.4.4+repack1-2ubuntu0.1~esm1 Ubuntu Pro

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Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3955-1
tcpflow vulnerabilities
24 April 2019