CVE-2024-24988
Assigner: Mattermost
Published: 2024-02-29T08:06:28.334Z
State: PUBLISHED
affected: defaultStatus: unaffected
product: Mattermost
vendor: Mattermost
versions: lessThanOrEqual: 9.2.4
status: affected
version: 0
versionType: semver
lessThanOrEqual: 8.1.8
status: affected
version: 0
versionType: semver
lessThanOrEqual: 9.3.0
status: affected
version: 0
versionType: semver
status: unaffected
version: 9.4.0
status: unaffected
version: 9.3.1
status: unaffected
version: 9.2.5
status: unaffected
version: 8.1.9
credits: type: finder
user: 00000000-0000-4000-9000-000000000000
value: Gian Klug (coderion)
descriptions: supportingMedia: base64: no
type: text/html
value: <p>Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to send&nbsp;multiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server.</p>
value: Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to send multiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server.


metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 4.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
version: 3.1
format: CVSS
scenarios: value: GENERAL
problemTypes: descriptions: cweId: CWE-400
description: CWE-400: Uncontrolled Resource Consumption
type: CWE
solutions: supportingMedia: base64: no
type: text/html
value: <p>Update Mattermost Server to versions 9.4.0, 9.3.1, 9.2.5, 8.1.9 or higher.</p>
value: Update Mattermost Server to versions 9.4.0, 9.3.1, 9.2.5, 8.1.9 or higher.


source: advisory: MMSA-2023-00281
defect: https://mattermost.atlassian.net/browse/MM-55467
discovery: EXTERNAL
title: Excessive resource consumption when sending long emoji names in user custom status
x_generator: engine: Vulnogram 0.1.0-dev