Eclipse Mosquitto 1.4.14 Server resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability was found in Eclipse Mosquitto 1.4.14 and classified as problematic. Affected by this issue is an unknown function of the component Server. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by filling the RAM memory with a lot of connections with large payload. This can be done without authentications if occur in connection phase of MQTT protocol.

The bug was discovered 04/24/2018. The weakness was presented 04/24/2018 (Website). The advisory is shared for download at bugs.eclipse.org. This vulnerability is handled as CVE-2017-7651 since 04/11/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 108792 (Fedora 26 : mosquitto (2018-e03a17fa61)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176514 (Debian Security Update for mosquitto (DSA 4325-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (108792). See VDB-117094, VDB-118970 and VDB-118971 for similar entries.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
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Nessus ID: 108792
Nessus Name: Fedora 26 : mosquitto (2018-e03a17fa61)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53072
OpenVAS Name: Fedora Update for mosquitto FEDORA-2018-e03a17fa61
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/11/2017 🔍
04/02/2018 +356 days 🔍
04/03/2018 +1 days 🔍
04/24/2018 +20 days 🔍
04/24/2018 +0 days 🔍
04/24/2018 +0 days 🔍
04/25/2018 +1 days 🔍
03/07/2023 +1777 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-e03a17fa61
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7651 (🔍)
OVAL: 🔍
See also: 🔍

Entryinfo

Created: 04/25/2018 10:28 AM
Updated: 03/07/2023 02:33 PM
Changes: 04/25/2018 10:28 AM (69), 01/31/2020 11:29 AM (5), 03/07/2023 02:29 PM (4), 03/07/2023 02:33 PM (1)
Complete: 🔍
Cache ID: 18:D7D:40

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