Protection Mechanism Failure Affecting github.com/mattermost/mattermost/server/platform/services/sharedchannel package, versions >=9.5.0 <9.5.8 >=9.8.0 <9.8.3 >=9.10.0 <9.10.1 >=9.9.0 <9.9.2


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.05% (19th percentile)

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  • Snyk ID SNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERPLATFORMSERVICESSHAREDCHANNEL-7786380
  • published 22 Aug 2024
  • disclosed 22 Aug 2024
  • credit Unknown

How to fix?

Upgrade github.com/mattermost/mattermost/server/platform/services/sharedchannel to version 9.5.8, 9.8.3, 9.10.1, 9.9.2 or higher.

Overview

Affected versions of this package are vulnerable to Protection Mechanism Failure due to the improper validation of email addresses. An attacker can intercept or redirect password reset and notification emails by exploiting valid, functional munged email addresses created by shared channels.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

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