CVE-2017-6430

Publication date 15 March 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The compile_tree function in ef_compiler.c in the Etterfilter utility in Ettercap 0.8.2 and earlier allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted filter.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ettercap	17.04 zesty	Fixed 1:0.8.2-4ubuntu1.17.04.1
	16.10 yakkety	Fixed 1:0.8.2-2ubuntu1.16.10.1
	16.04 LTS xenial	Fixed 1:0.8.2-2ubuntu1.16.04.1
	14.04 LTS trusty	Fixed 1:0.8.0-11ubuntu0.3
	12.04 LTS precise	Ignored end of life

Patch details

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

Package	Patch details
ettercap	Other: 626dc56

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	5.5 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H