CVE-2018-12543
published 2018-11-15CVE-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…
PriorityP350high7.5CVSS 3.0
AVNACLPRNUINSUCNINAH
EPSS
36.01%
98.3th percentile
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.
Affected
19 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | mosquitto | — | — |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | >= 0 < 1.5.3-r0 | 1.5.3-r0 |
| eclipse | mosquitto | 1.5.0 – 1.5.2 | — |
| the_eclipse_foundation | eclipse_mosquitto | >= 1.5 < unspecified | unspecified |
| the_eclipse_foundation | eclipse_mosquitto | unspecified – 1.5.2 | — |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5LOW
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-4g6q-vx9q-q84r: In Eclipse Mosquitto versions 1
ghsa_unreviewed·2022-05-13
CVE-2018-12543 [HIGH] CWE-20 GHSA-4g6q-vx9q-q84r: In Eclipse Mosquitto versions 1
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.
OSV
CVE-2018-12543: In Eclipse Mosquitto versions 1
osv·2018-11-15·CVSS 7.5
CVE-2018-12543 [HIGH] CVE-2018-12543: In Eclipse Mosquitto versions 1
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.
Debian
CVE-2018-12543: mosquitto - In Eclipse Mosquitto versions 1.5 to 1.5.2 inclusive, if a message is published ...
vendor_debian·2018·CVSS 7.5
CVE-2018-12543 [HIGH] CVE-2018-12543: mosquitto - In Eclipse Mosquitto versions 1.5 to 1.5.2 inclusive, if a message is published ...
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.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved
sid: resolved
trixie: resolved
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-12543 mosquitto: DoS due to a reachable assertion in topic field [epel-7]
bugzilla·2018-10-24·CVSS 7.5
CVE-2018-12543 [HIGH] CVE-2018-12543 mosquitto: DoS due to a reachable assertion in topic field [epel-7]
CVE-2018-12543 mosquitto: DoS due to a reachable assertion in topic field [epel-7]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-7.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discussion:
Use the following template to for the
Bugzilla
CVE-2018-12543 mosquitto: DoS due to a reachable assertion in topic field [fedora-all]
bugzilla·2018-10-24·CVSS 7.5
CVE-2018-12543 [HIGH] CVE-2018-12543 mosquitto: DoS due to a reachable assertion in topic field [fedora-all]
CVE-2018-12543 mosquitto: DoS due to a reachable assertion in topic field [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported
Bugzilla
CVE-2018-12543 mosquitto: DoS due to a reachable assertion in topic field
bugzilla·2018-10-24·CVSS 7.5
CVE-2018-12543 [HIGH] CVE-2018-12543 mosquitto: DoS due to a reachable assertion in topic field
CVE-2018-12543 mosquitto: DoS due to a reachable assertion in topic field
A flaw was found in mosquitto. A reachable assertion when a message is sent to Mosquitto with a topic that begins with $, but is not $SYS. This results in an application crash.
References:
https://github.com/eclipse/mosquitto/blob/master/ChangeLog.txt
Discussion:
Created mosquitto tracking bugs for this issue:
Affects: epel-7 [bug 1642610]
Affects: fedora-all [bug 1642609]
---
Was already addressed.
2018-11-15
Published