CVE-2024-34029
Assigner: Mattermost
Published: 2024-05-26T13:27:27.082Z
State: PUBLISHED
affected: defaultStatus: unaffected
product: Mattermost
vendor: Mattermost
versions: lessThanOrEqual: 9.5.3
status: affected
version: 9.5.0
versionType: semver
lessThanOrEqual: 9.7.1
status: affected
version: 9.7.0
versionType: semver
lessThanOrEqual: 8.1.12
status: affected
version: 8.1.0
versionType: semver
status: unaffected
version: 9.8.0
status: unaffected
version: 9.5.4
status: unaffected
version: 9.7.2
status: unaffected
version: 8.1.13
credits: type: finder
value: vultza (vultza)
descriptions: supportingMedia: base64: no
type: text/html
value: <p>Mattermost versions 9.5.x &lt;= 9.5.3, 9.7.x &lt;= 9.7.1 and 8.1.x &lt;= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups/&lt;group-id&gt;/channels/&lt;channel-id&gt;/link endpoint&nbsp;which allows a user&nbsp;to learn the members of<span style="background-color: rgb(255, 255, 255);">&nbsp;an AD/LDAP group that is linked to a team by adding the group to a channel, even if the user has no access to the team.&nbsp;&nbsp;</span><br></p>
value: Mattermost versions 9.5.x <= 9.5.3, 9.7.x <= 9.7.1 and 8.1.x <= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups/<group-id>/channels/<channel-id>/link endpoint which allows a user to learn the members of an AD/LDAP group that is linked to a team by adding the group to a channel, even if the user has no access to the team.
metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 4.3
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
version: 3.1
format: CVSS
scenarios: value: GENERAL
problemTypes: descriptions: cweId: CWE-200
description: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
type: CWE
solutions: supportingMedia: base64: no
type: text/html
value: <p>Update Mattermost to versions 9.8.0, 9.5.4, 9.7.2, 8.1.13 or higher.</p>
value: Update Mattermost to versions 9.8.0, 9.5.4, 9.7.2, 8.1.13 or higher.
source: advisory: MMSA-2023-00288
defect: https://mattermost.atlassian.net/browse/MM-55313
discovery: EXTERNAL
title: AD/LDAP Group Members Leak
x_generator: engine: Vulnogram 0.2.0