Eclipse Mosquitto up to 2.0.18 PUBLISH Packet double free

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

Summaryinfo

A vulnerability was found in Eclipse Mosquitto up to 2.0.18. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the component PUBLISH Packet Handler. Performing a manipulation results in double free. This vulnerability was named CVE-2024-3935. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Eclipse Mosquitto up to 2.0.18. This affects an unknown function of the component PUBLISH Packet Handler. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on integrity, and availability. The summary by CVE is:

In Eclipse Mosquito, versions from 2.0.0 through 2.0.18, if a Mosquitto broker is configured to create an outgoing bridge connection, and that bridge connection has an incoming topic configured that makes use of topic remapping, then if the remote connection sends a crafted PUBLISH packet to the broker a double free will occur with a subsequent crash of the broker.

The weakness was presented by Song Xiangpu as 197. The advisory is shared at gitlab.eclipse.org. This vulnerability is uniquely identified as CVE-2024-3935 since 04/17/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 216526 (Debian dla-4059 : libmosquitto-dev - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.0.19 eliminates this vulnerability. The upgrade is hosted for download at mosquitto.org.

The vulnerability is also documented in the vulnerability database at Tenable (216526). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

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

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (eclipse): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
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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Nessus ID: 216526
Nessus Name: Debian dla-4059 : libmosquitto-dev - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mosquitto 2.0.19

Timelineinfo

04/17/2024 🔍
10/30/2024 +196 days 🔍
10/30/2024 +0 days 🔍
02/20/2025 +113 days 🔍

Sourcesinfo

Advisory: 197
Researcher: Song Xiangpu
Status: Confirmed

CVE: CVE-2024-3935 (🔍)
GCVE (CVE): GCVE-0-2024-3935
GCVE (VulDB): GCVE-100-282513

Entryinfo

Created: 10/30/2024 14:37
Updated: 02/20/2025 20:03
Changes: 10/30/2024 14:37 (69), 10/30/2024 15:08 (3), 10/31/2024 12:02 (11), 02/20/2025 20:03 (2)
Complete: 🔍
Cache ID: 216::103

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

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