CVE-2024-34029

Summary

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.

Affected Software

VendorProductVersion RangeStatus
MattermostMattermost9.5.0 <= 9.5.3affected
MattermostMattermost9.7.0 <= 9.7.1affected
MattermostMattermost8.1.0 <= 8.1.12affected
MattermostMattermost9.8.0unaffected
MattermostMattermost9.5.4unaffected
MattermostMattermost9.7.2unaffected
MattermostMattermost8.1.13unaffected

Weaknesses

  • CWE-200: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References