CVE-2019-20888

An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5. It allows attackers to cause a denial of service (memory consumption) via an outgoing webhook or a slash command integration.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : 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

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
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::::::::
	cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc1::::::
	cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc2::::::
	cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc3::::::
	cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc4::::::
	cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc5::::::
	cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc6::::::

History

21 Nov 2024, 04:39

Type	Values Removed	Values Added
References	~~() https://mattermost.com/security-updates/ - Vendor Advisory~~	() https://mattermost.com/security-updates/ - Vendor Advisory

Information

Published : 2020-06-19 17:15

Updated : 2024-11-21 04:39

NVD link : CVE-2019-20888

Mitre link : CVE-2019-20888

CVE.ORG link : CVE-2019-20888

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

{"id": "CVE-2019-20888", "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": 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}]}, "published": "2020-06-19T17:15:13.957", "references": [{"url": "https://mattermost.com/security-updates/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://mattermost.com/security-updates/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5. It allows attackers to cause a denial of service (memory consumption) via an outgoing webhook or a slash command integration."}, {"lang": "es", "value": "Se detect\u00f3 un problema en Mattermost Server versiones anteriores a 5.7, 5.6.3, 5.5.2 y 4.10.5. Permite a atacantes causar una denegaci\u00f3n de servicio (consumo de la memoria) por medio de un webhook saliente o una integraci\u00f3n de comando de barra diagonal"}], "lastModified": "2024-11-21T04:39:37.373", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "58037740-3A1E-4E97-BF05-7FD0A029B352", "versionEndExcluding": "4.10.5"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D58AA43B-3BA9-49E8-9990-C75EDD80DBB4", "versionEndExcluding": "5.5.2", "versionStartIncluding": "5.5.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "265633A5-B99D-410D-AA05-EEC2C2D0737A", "versionEndExcluding": "5.6.3", "versionStartIncluding": "5.6.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "549BD8DD-BDE8-4BD2-AF2F-FB1524FD03B8"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F9617DF4-C088-45E2-B5AE-ACDC67C506F7"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4984DC54-ECA8-4D09-AC07-A0B6AFF2BDE8"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6759822F-9E3B-43AF-94A6-76D12D31B2CC"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AFE07030-5623-422C-A324-1D5504B21E7E"}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2B1A93DE-561B-41BD-86D3-C75471854A25"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}