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Alpine Linux: CVE-2019-11779: mosquitto malicious MQTT sends SUBSCRIBE packet leads to stack over flow

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Alpine Linux: CVE-2019-11779: mosquitto malicious MQTT sends SUBSCRIBE packet leads to stack over flow

Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
09/19/2019
Created
12/18/2019
Added
11/08/2019
Modified
12/04/2019

Description

In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur.

Solution(s)

  • alpine-linux-upgrade-mosquitto

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