Denial of service in Eclipse Mosquitto



Published: 2021-07-29
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-34431
CWE ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe
Eclipse Mosquitto
Server applications / Other server solutions

Vendor Eclipse

Security Advisory

This security advisory describes one medium risk vulnerability.

1) Memory leak

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-34431

CWE-ID: CWE-401 - Improper Release of Memory Before Removing Last Reference ('Memory Leak')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in the broker. A remote authenticated attacker can send a specially crafted CONNECT message and perform denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Eclipse Mosquitto: 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.6.5, 1.6.6, 1.6.7, 1.6.8, 1.6.9, 1.6.10, 1.6.11, 1.6.12, 1.6.13, 1.6.14, 1.6.15, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.0.10

CPE External links

https://bugs.eclipse.org/bugs/show_bug.cgi?id=573191

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.



###SIDEBAR###