CVE-2023-28366

The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function.

CVSS v3.0 7.5 HIGH

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/eclipse/mosquitto/commit/6113eac95a9df634fbc858be542c4a0456bfe7b9	Patch
https://www.compass-security.com/fileadmin/Research/Advisories/2023_02_CSNC-2023-001_Eclipse_Mosquitto_Memory_Leak.txt	Third Party Advisory
https://github.com/eclipse/mosquitto/compare/v2.0.15...v2.0.16	Release Notes
https://mosquitto.org/blog/2023/08/version-2-0-16-released/	Release Notes
https://www.debian.org/security/2023/dsa-5511
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJ2FMBGVVQEQWTTQB7YLKTAHMX2UM66X/
https://security.gentoo.org/glsa/202401-09

Configurations

Configuration 1 (hide)

cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*

Information

Published : 2023-09-01 16:15

Updated : 2024-01-07 10:15

NVD link : CVE-2023-28366

Mitre link : CVE-2023-28366

JSON object : View

Products Affected

eclipse

mosquitto

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/eclipse/mosquitto/commit/6113eac95a9df634fbc858be542c4a0456bfe7b9", "name": "https://github.com/eclipse/mosquitto/commit/6113eac95a9df634fbc858be542c4a0456bfe7b9", "tags": ["Patch"], "refsource": "CONFIRM"}, {"url": "https://www.compass-security.com/fileadmin/Research/Advisories/2023_02_CSNC-2023-001_Eclipse_Mosquitto_Memory_Leak.txt", "name": "https://www.compass-security.com/fileadmin/Research/Advisories/2023_02_CSNC-2023-001_Eclipse_Mosquitto_Memory_Leak.txt", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/eclipse/mosquitto/compare/v2.0.15...v2.0.16", "name": "https://github.com/eclipse/mosquitto/compare/v2.0.15...v2.0.16", "tags": ["Release Notes"], "refsource": "MISC"}, {"url": "https://mosquitto.org/blog/2023/08/version-2-0-16-released/", "name": "https://mosquitto.org/blog/2023/08/version-2-0-16-released/", "tags": ["Release Notes"], "refsource": "CONFIRM"}, {"url": "https://www.debian.org/security/2023/dsa-5511", "name": "DSA-5511", "tags": [], "refsource": "DEBIAN"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJ2FMBGVVQEQWTTQB7YLKTAHMX2UM66X/", "name": "FEDORA-2023-9adc4be8b0", "tags": [], "refsource": ""}, {"url": "https://security.gentoo.org/glsa/202401-09", "name": "GLSA-202401-09", "tags": [], "refsource": ""}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-401"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2023-28366", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2023-09-01T16:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.0.16", "versionStartIncluding": "1.3.2"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2024-01-07T10:15Z"}