Eclipse Mosquitto up to 2.0.18 Packet memory leak

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Eclipse Mosquitto up to 2.0.18. This affects an unknown function of the component Packet Handler. Such manipulation leads to memory leak. This vulnerability is uniquely identified as CVE-2024-8376. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Eclipse Mosquitto up to 2.0.18 and classified as critical. Affected by this issue is an unknown function of the component Packet Handler. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In Eclipse Mosquitto up to version 2.0.18a, an attacker can achieve memory leaking, segmentation fault or heap-use-after-free by sending specific sequences of "CONNECT", "DISCONNECT", "SUBSCRIBE", "UNSUBSCRIBE" and "PUBLISH" packets.

The weakness was disclosed by Roman Kraus. The advisory is shared for download at gitlab.eclipse.org. This vulnerability is handled as CVE-2024-8376 since 09/02/2024. The exploitation is known to be easy. The attack may be launched remotely. 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 210029 (RHEL 8 : Satellite 6.15.4.2 Async Update (Important) (RHSA-2024:8719)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.0.19 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (210029). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 6.9
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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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Nessus ID: 210029
Nessus Name: RHEL 8 : Satellite 6.15.4.2 Async Update (Important) (RHSA-2024:8719)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mosquitto 2.0.19

Timelineinfo

09/02/2024 🔍
10/11/2024 +39 days 🔍
10/11/2024 +0 days 🔍
11/15/2024 +35 days 🔍

Sourcesinfo

Advisory: gitlab.eclipse.org
Researcher: Roman Kraus
Status: Confirmed

CVE: CVE-2024-8376 (🔍)
GCVE (CVE): GCVE-0-2024-8376
GCVE (VulDB): GCVE-100-280112

Entryinfo

Created: 10/11/2024 18:20
Updated: 11/15/2024 22:33
Changes: 10/11/2024 18:20 (68), 10/31/2024 12:02 (1), 11/01/2024 11:07 (2), 11/15/2024 22:33 (11)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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