CVE-2017-18873

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to cause a denial of service (channel invisibility) via a misformatted post.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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::::::::
	cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc1::::::
	cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc2::::::
	cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc3::::::
	cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc4::::::

History

No history.

Information

Published : 2020-06-19 18:15

Updated : 2024-02-04 21:00

NVD link : CVE-2017-18873

Mitre link : CVE-2017-18873

CVE.ORG link : CVE-2017-18873

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2017-18873", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2020-06-19T18:15:10.600", "references": [{"url": "https://mattermost.com/security-updates/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to cause a denial of service (channel invisibility) via a misformatted post."}, {"lang": "es", "value": "Se detect\u00f3 un problema en Mattermost Server versiones anteriores a 4.3.0, 4.2.1 y 4.1.2. Permite a atacantes causar una denegaci\u00f3n de servicio (invisibilidad del canal) por medio de una publicaci\u00f3n formateada incorrectamente"}], "lastModified": "2020-06-29T20:12:05.233", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "72250CFB-47F9-40AE-BBD0-179D27CCF49D", "versionEndExcluding": "4.1.2"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7FE7E6F1-5B34-4D19-8B93-ED2E9EFFCAF3", "versionEndExcluding": "4.2.1", "versionStartIncluding": "4.2.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB71A82C-2F6A-49EC-A541-1600304F4D37"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "91E5A299-021B-451B-95E2-4DC2DD6FF50B"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "471DFF36-36F3-4904-B5E9-091C259181A6"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A8772DEC-C002-443E-9609-1CC2A6FD8037"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}