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CVE-2017-2893

Published: 7 November 2017

An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

Notes

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

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
smplayer
Launchpad, Ubuntu, Debian 		artful Not vulnerable
(windows only)
trusty Does not exist
(trusty was not-affected [windows only])
upstream Needs triage

xenial Not vulnerable
(windows only)
zesty Not vulnerable
(windows only)

Severity score breakdown

Parameter Value
Base score 7.5
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

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