Mosquitto up to 2.0.15 CONNECT Packet memory leak

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Mosquitto up to 2.0.15. It has been classified as problematic. This issue affects some unknown processing of the component CONNECT Packet Handler. Performing a manipulation results in memory leak. This vulnerability was named CVE-2023-3592. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Mosquitto up to 2.0.15. This affects an unknown code block of the component CONNECT Packet Handler. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability. The summary by CVE is:

In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.

The weakness was presented 10/03/2023. The advisory is shared at mosquitto.org. This vulnerability is uniquely identified as CVE-2023-3592 since 07/10/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 2.0.16 eliminates this vulnerability. The upgrade is hosted for download at mosquitto.org.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.8
CNA Vector (Eclipse Foundation): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mosquitto 2.0.16

Timelineinfo

07/10/2023 🔍
10/03/2023 +85 days 🔍
10/03/2023 +0 days 🔍
10/23/2023 +20 days 🔍

Sourcesinfo

Advisory: mosquitto.org
Status: Confirmed

CVE: CVE-2023-3592 (🔍)
GCVE (CVE): GCVE-0-2023-3592
GCVE (VulDB): GCVE-100-241113

Entryinfo

Created: 10/03/2023 08:04
Updated: 10/23/2023 14:45
Changes: 10/03/2023 08:04 (50), 10/23/2023 14:45 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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