Credential Exposure Affecting github.com/mattermost/mattermost/server/v8/channels/app package, versions <9.5.6-rc1 >=9.6.0-rc1 <9.6.3-rc1 >=9.7.0-rc1 <9.7.5-rc1 >=9.8.0-rc1 <9.8.1-rc1


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.09% (39th percentile)

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  • Snyk ID SNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERV8CHANNELSAPP-7424658
  • published 5 Jul 2024
  • disclosed 3 Jul 2024
  • credit Juho Forsén

How to fix?

Upgrade github.com/mattermost/mattermost/server/v8/channels/app to version 9.5.6-rc1, 9.6.3-rc1, 9.7.5-rc1, 9.8.1-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Credential Exposure through the token comparison process in the remoteSetProfileImage() function. An attacker can retrieve the remote cluster token by observing the time variations in the token comparison responses.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

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