Access Control Bypass Affecting github.com/mattermost/mattermost/server/public/model package, versions >=9.5.0 <9.5.9


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.04% (11th percentile)

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  • Snyk ID SNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERPUBLICMODEL-8310151
  • published 30 Oct 2024
  • disclosed 29 Oct 2024
  • credit Juho Nurminen

How to fix?

Upgrade github.com/mattermost/mattermost/server/public/model to version 9.5.9 or higher.

Overview

Affected versions of this package are vulnerable to Access Control Bypass due to improper filtering of channel data when ElasticSearch is enabled. An attacker can access private channel names by using the keyboard shortcut cmd+K/ctrl+K.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
5.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    Low
  • Integrity (VI)
    None
  • Availability (VA)
    None
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None