High severity · published Nov 15, 2018
CVE-2018-12543
In Eclipse Mosquitto versions 1.5 to 1.5.2 inclusive, if a message is published to Mosquitto that has a topic starting with $, but that is not $SYS, e.g
7.5
CVSS
36%
EPSS
No
On KEV
Description
In Eclipse Mosquitto versions 1.5 to 1.5.2 inclusive, if a message is published to Mosquitto that has a topic starting with $, but that is not $SYS, e.g. $test/test, then an assert is triggered that should otherwise not be reachable and Mosquitto will exit.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)36.0% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Mosquitto · Eclipse
1.5.0 through 1.5.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-12543
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-12543
Issue Tracking
https://bugs.eclipse.org/bugs/show_bug.cgi?id=539295
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