CVE-2024-41926

Mattermost versions 9.9.x <= 9.9.0 and 9.5.x <= 9.5.6 fail to validate the source of sync messages and only allow the correct remote IDs, which allows a malicious remote to set arbitrary RemoteId values for synced users and therefore claim that a user was synced from another remote.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://mattermost.com/security-updates	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server:9.9.0:::::::*

History

04 Sep 2024, 16:55

Type	Values Removed	Values Added
CWE		CWE-346
First Time		Mattermost Mattermost mattermost Server
CPE		cpe:2.3:a:mattermost:mattermost_server:::::::: cpe:2.3:a:mattermost:mattermost_server:9.9.0:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~2.7~~	v2 : unknown v3 : 4.3
Summary		(es) Las versiones 9.9.x <= 9.9.0 y 9.5.x <= 9.5.6 de Mattermost no validan el origen de los mensajes de sincronización y solo permiten las ID remotas correctas, lo que permite que un control remoto malicioso establezca valores RemoteId arbitrarios para usuarios sincronizados y, por lo tanto, afirmar que un usuario se sincronizó desde otro control remoto.
References	~~() https://mattermost.com/security-updates -~~	() https://mattermost.com/security-updates - Vendor Advisory

01 Aug 2024, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-08-01 15:15

Updated : 2024-09-04 16:55

NVD link : CVE-2024-41926

Mitre link : CVE-2024-41926

CVE.ORG link : CVE-2024-41926

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-346

Origin Validation Error

CWE-284

Improper Access Control

{"id": "CVE-2024-41926", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.2}]}, "published": "2024-08-01T15:15:13.900", "references": [{"url": "https://mattermost.com/security-updates", "tags": ["Vendor Advisory"], "source": "responsibledisclosure@mattermost.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-346"}]}, {"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "Mattermost versions 9.9.x <= 9.9.0 and 9.5.x <= 9.5.6 fail to validate the source of sync messages and only allow the correct remote IDs,\u00a0which allows a malicious remote to\u00a0set arbitrary RemoteId values for synced users and therefore\u00a0claim that a user was synced from another remote."}, {"lang": "es", "value": " Las versiones 9.9.x <= 9.9.0 y 9.5.x <= 9.5.6 de Mattermost no validan el origen de los mensajes de sincronizaci\u00f3n y solo permiten las ID remotas correctas, lo que permite que un control remoto malicioso establezca valores RemoteId arbitrarios para usuarios sincronizados y, por lo tanto, afirmar que un usuario se sincroniz\u00f3 desde otro control remoto."}], "lastModified": "2024-09-04T16:55:35.570", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CBEB8F40-C2DE-4E6F-8772-1BBCA44795A8", "versionEndExcluding": "9.5.7", "versionStartIncluding": "9.5.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:9.9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4BE71910-C7C4-4F33-BFD4-40D2EAA56DB1"}], "operator": "OR"}]}], "sourceIdentifier": "responsibledisclosure@mattermost.com"}