[ASA-201810-1] mosquitto: denial of service
Jelle van der Waa
jelle at archlinux.org
Mon Oct 1 18:51:39 UTC 2018
Arch Linux Security Advisory ASA-201810-1
Date : 2018-10-01
CVE-ID : CVE-2018-12543
Package : mosquitto
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-772
The package mosquitto before version 1.5.3-1 is vulnerable to denial of
Upgrade to 1.5.3-1.
# pacman -Syu "mosquitto>=1.5.3-1"
The problem has been fixed upstream in version 1.5.3.
If a message is sent to Mosquitto before 1.5.3 with a topic that begins
with $, but is not $SYS, then an assert that should be unreachable is
triggered and Mosquitto will exit.
A remote attacker is able to cause a denial of service by sending a
specially crafted mqtt message.
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