CVE-2023-40703

Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string.

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 NONE

Availability Impact LOW

Scope UNCHANGED

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::::::::
	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost:9.1.0:::::::*

History

21 Nov 2024, 08:19

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~7.5~~	v2 : unknown v3 : 4.3
References	~~() https://mattermost.com/security-updates - Vendor Advisory~~	() https://mattermost.com/security-updates - Vendor Advisory

01 Dec 2023, 19:13

Type	Values Removed	Values Added
First Time		Mattermost Mattermost mattermost
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
CWE		CWE-400
CPE		cpe:2.3:a:mattermost:mattermost:9.1.0:::::::* cpe:2.3:a:mattermost:mattermost::::::::
References	~~() https://mattermost.com/security-updates -~~	() https://mattermost.com/security-updates - Vendor Advisory

27 Nov 2023, 10:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-11-27 10:15

Updated : 2024-11-21 08:19

NVD link : CVE-2023-40703

Mitre link : CVE-2023-40703

CVE.ORG link : CVE-2023-40703

JSON object : View

Products Affected

mattermost

mattermost

CWE

CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2023-40703", "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "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:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}, {"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": "2023-11-27T10:15:07.460", "references": [{"url": "https://mattermost.com/security-updates", "tags": ["Vendor Advisory"], "source": "responsibledisclosure@mattermost.com"}, {"url": "https://mattermost.com/security-updates", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "description": [{"lang": "en", "value": "CWE-400"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing\u00a0a attacker to\u00a0consume excessive resources, possibly leading to Denial of Service, by\u00a0patching the field of a block using a specially crafted string.\u00a0\n\n"}, {"lang": "es", "value": "Mattermost no logra limitar adecuadamente los caracteres permitidos en diferentes campos de un bloque en Mattermost Boards, lo que permite a un atacante consumir recursos excesivos, lo que posiblemente lleve a una Denegaci\u00f3n de Servicio, al parchear el campo de un bloque usando una cadena especialmente manipulada."}], "lastModified": "2024-11-21T08:19:59.620", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BAEFCB9C-4CFC-4C2D-B53D-4A1E9B54E744", "versionEndIncluding": "7.8.12"}, {"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7CFE72E8-D2A6-4994-88F6-2B04DB413631", "versionEndIncluding": "8.1.3", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DF5E1B7D-7237-4464-9873-0A85C80CC76A", "versionEndIncluding": "9.0.1", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost:9.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D960BDC-FB30-4112-B1CC-219D1EC32145"}], "operator": "OR"}]}], "sourceIdentifier": "responsibledisclosure@mattermost.com"}