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GHSA-c6vp-jjgv-38wj: Mattermost allows remote/synthetic users to create sessions, reset passwords

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to ensure that remote/synthetic users cannot create sessions or reset passwords, which allows the munged email addresses, created by shared channels, to be used to receive email notifications and to reset passwords, when they are valid, functional emails.

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  1. GitHub Advisory Database
  2. GitHub Reviewed
  3. CVE-2024-39836

Mattermost allows remote/synthetic users to create sessions, reset passwords

Moderate severity GitHub Reviewed Published Aug 22, 2024 to the GitHub Advisory Database • Updated Aug 23, 2024

Package

gomod github.com/mattermost/mattermost/server/v8 (Go)

Affected versions

>= 9.9.0, < 9.9.2

>= 9.5.0, < 9.5.8

>= 9.10.0, < 9.10.1

>= 9.8.0, < 9.8.3

Patched versions

9.9.2

9.5.8

9.10.1

9.8.3

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to ensure that remote/synthetic users cannot create sessions or reset passwords, which allows the munged email addresses, created by shared channels, to be used to receive email notifications and to reset passwords, when they are valid, functional emails.

References

  • https://nvd.nist.gov/vuln/detail/CVE-2024-39836
  • https://mattermost.com/security-updates

Published to the GitHub Advisory Database

Aug 22, 2024

Last updated

Aug 23, 2024

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