CVE-2024-39274

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to properly validate that the channel that comes from the sync message is a shared channel, when shared channels are enabled, which allows a malicious remote to add users to arbitrary teams and channels

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

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::::::::
	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost:9.9.0:::::::*

History

23 Aug 2024, 14:39

Type	Values Removed	Values Added
Summary		(es) Las versiones de Mattermost 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 y 9.8.x <= 9.8.1 no validan correctamente que el canal que proviene del mensaje de sincronización es un canal compartido, cuando los canales compartidos están habilitados, lo que permite que un control remoto malicioso agregue usuarios a equipos y canales arbitrarios
CPE		cpe:2.3:a:mattermost:mattermost:::::::: cpe:2.3:a:mattermost:mattermost:9.9.0:::::::*
References	~~() https://mattermost.com/security-updates -~~	() https://mattermost.com/security-updates - Vendor Advisory
First Time		Mattermost mattermost Mattermost
CVSS	v2 : ~~unknown~~ v3 : ~~8.7~~	v2 : unknown v3 : 6.5
CWE		NVD-CWE-noinfo

01 Aug 2024, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-08-01 15:15

Updated : 2024-08-23 14:39

NVD link : CVE-2024-39274

Mitre link : CVE-2024-39274

CVE.ORG link : CVE-2024-39274

JSON object : View

Products Affected

mattermost

mattermost

CWE

NVD-CWE-noinfo CWE-284

Improper Access Control

{"id": "CVE-2024-39274", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.8, "exploitabilityScore": 2.3}]}, "published": "2024-08-01T15:15:12.150", "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": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to properly validate that\u00a0the channel that comes from the sync message is a shared channel, when shared channels are enabled, which allows a malicious remote to add users to arbitrary teams and channels"}, {"lang": "es", "value": " Las versiones de Mattermost 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 y 9.8.x <= 9.8.1 no validan correctamente que el canal que proviene del mensaje de sincronizaci\u00f3n es un canal compartido, cuando los canales compartidos est\u00e1n habilitados, lo que permite que un control remoto malicioso agregue usuarios a equipos y canales arbitrarios"}], "lastModified": "2024-08-23T14:39:29.247", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0942D308-9462-4C2A-A9FE-838EB5842E02", "versionEndExcluding": "9.5.7", "versionStartIncluding": "9.5.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "642355DC-0EF1-4631-89D0-694AB7C9EF78", "versionEndExcluding": "9.7.6", "versionStartIncluding": "9.7.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00E80458-F38E-46EB-98FD-1CADD3FCE335", "versionEndExcluding": "9.8.2", "versionStartIncluding": "9.8.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost:9.9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DA215755-4D08-4B4D-9736-DAF54D2F0B9C"}], "operator": "OR"}]}], "sourceIdentifier": "responsibledisclosure@mattermost.com"}