Vulnerability identifier: #VU17464

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-12546

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Eclipse Mosquitto
Server applications / Other server solutions

Vendor: Eclipse

Description

The vulnerability allows a remote authenticated user to gain access to potentially sensitive information.

The vulnerability exists due to an error when messages were still delivered to clients after their access to topic was revoked. A remote authenticated user was able to obtain potentially sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Eclipse Mosquitto: 1.4 - 1.5.5

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External links
http://mosquitto.org/blog/2019/02/version-1-5-6-released/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.