Summary
Kathrin Kleinhammer discovered that Mosquitto incorrectly handled certain
inputs. If a user or an automated system were provided with a specially crafted
input, a remote attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-34431)
Zhanxiang Song discovered that Mosquitto incorrectly handled certain inputs. If
a user or an automated system were provided with a specially crafted input, a
remote attacker could possibly use this issue to cause an authorisation bypass.
This issue only affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2021-34434)
Zhanxiang Song, Bin Yuan, DeQing Zou, and Hai Jin discovered that Mosquitto
incorrectly handled certain inputs. If a user or an automated system were
provided with a specially crafted input, a remote attacker could possibly use
this issue to cause a denial of service. This issue only affected Ubuntu 20.04
LTS and Ubuntu 22.04 LTS. (CVE-2021-41039)
Zhengjie Du discovered that Mosquitto incorrectly handled certain inputs. If a
user or an automated system were provided with a specially crafted input file,
a remote attacker could possibly use this issue to cause a denial of service.
(CVE-2023-0809)
It was discovered that Mosquitto incorrectly handled certain inputs. If a user
or an automated system were provided with a specially crafted input, a remote
attacker could possibly use this issue to cause a denial of service.
(CVE-2023-3592)
Mischa Bachmann discovered that Mosquitto incorrectly handled certain inputs.
If a user or an automated system were provided with a specially crafted input,
a remote attacker could possibly use this issue to cause a denial of service.
This issue was only fixed in Ubuntu 22.04 LTS and Ubuntu 23.04.
(CVE-2023-28366)
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 22.04 LTS 22.04:LTS | mosquitto | 2.0.11-1ubuntu1.1 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | mosquitto | 1.6.9-1ubuntu0.1~esm1 |
Vulnerabilities 6
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High 7.5
The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a cl…
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Medium 5.8
In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packe…
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Medium 5.8
In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains…
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Unscored —
In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted C…
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Unscored —
In Eclipse Mosquitto versions 2.0 to 2.0.11, when using the dynamic security plugin, if the ability for a client to mak…
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Unscored —
In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property prope…