Exposure of Sensitive Information to an Unauthorized Actor Affecting github.com/mattermost/mattermost-server/server/v8/channels/app package, versions <7.8.10 >=8.0.0 <8.1.1


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.05% (23rd percentile)

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  • Snyk ID SNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERSERVERV8CHANNELSAPP-5931776
  • published 5 Oct 2023
  • disclosed 2 Oct 2023
  • credit aungpyaekoko

How to fix?

Upgrade github.com/mattermost/mattermost-server/server/v8/channels/app to version 7.8.10, 8.1.1 or higher.

Overview

Affected versions of this package are vulnerable to Exposure of Sensitive Information to an Unauthorized Actor through the /api/v4/teams/TEAM_ID/top/team_members endpoint. An attacker can obtain the full name of another user even if the 'Show Full Name' option was disabled by sending a request to the endpoint.

CVSS Scores

version 3.1
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Snyk

Recommended
4.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    None
Expand this section

NVD

4.3 medium