CVE-2017-2894

Publication date 7 November 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An exploitable stack buffer overflow vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. A specially crafted MQTT SUBSCRIBE packet can cause a stack buffer overflow resulting in remote code execution. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
smplayer	17.10 artful	Not affected
	17.04 zesty	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Notes

sbeattie

mongoose is used on windows only to serve up content for chromecastugs:

Severity score breakdown

CVSS version: CVSS v3.0

Base score 9.8 · Critical

Base metrics

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

Scores

Parameter	Value
Base score	9.8 · Critical
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H