CVE-2023-2831
Assigner: Mattermost
Published: 2023-06-16T09:06:15.292Z
State: PUBLISHED
affected: defaultStatus: unaffected
product: Mattermost
vendor: Mattermost
versions: lessThanOrEqual: 7.1.9
status: affected
version: 0
versionType: semver
lessThanOrEqual: 7.8.4
status: affected
version: 0
versionType: semver
lessThanOrEqual: 7.9.3
status: affected
version: 0
versionType: semver
status: affected
version: 7.10.0
status: unaffected
version: 7.1.10 
status: unaffected
version: 7.8.5
status: unaffected
version: 7.9.4
status: unaffected
version: 7.10.1
credits: type: finder
user: 00000000-0000-4000-9000-000000000000
value: claverrat
descriptions: supportingMedia: base64: no
type: text/html
value: Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.<br>
value: Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.

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: Update Mattermost to version 7.1.10,&nbsp;7.8.5, 7.9.4,&nbsp;7.10.1&nbsp;or higher.<br>
value: Update Mattermost to version 7.1.10, 7.8.5, 7.9.4, 7.10.1 or higher.

source: advisory: MMSA-2023-00177
defect: https://mattermost.atlassian.net/browse/MM-52163
discovery: EXTERNAL
title: Denial of Service while unescaping a Markdown string
x_generator: engine: Vulnogram 0.1.0-dev