CVE-2025-25279: Arbitrary file read in Mattermost Boards via import & export board archive

Published Feb 24, 2025
·
Updated

Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate board blocks when importing boards which allows an attacker could read any arbitrary file on the system via importing and exporting a specially crafted import archive in Boards.

Affected Software

9 affected componentsFixes available
go/github.com/mattermost/mattermost/server/v8>=10.4.0-rc1<10.4.2
10.4.2
go/github.com/mattermost/mattermost/server/v8>=10.3.0-rc1<10.3.3
10.3.3
go/github.com/mattermost/mattermost/server/v8>=10.2.0-rc1<10.2.3
10.2.3
go/github.com/mattermost/mattermost/server/v8>=9.11.0-rc1<9.11.8
9.11.8
go/github.com/mattermost/mattermost/server/v8<8.0.0-20250122165010-4ed702ccff4e
8.0.0-20250122165010-4ed702ccff4e
Mattermost Mattermost Server>=9.11.0<9.11.8
Mattermost Mattermost Server>=10.2.0<10.2.3
Mattermost Mattermost Server>=10.3.0<10.3.3
Mattermost Mattermost Server>=10.4.0<10.4.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade go/github.com/mattermost/mattermost/server/v8 to a version that resolves this vulnerability.

    Fixed in 10.4.2
  2. Upgrade

    Upgrade go/github.com/mattermost/mattermost/server/v8 to a version that resolves this vulnerability.

    Fixed in 10.3.3
  3. Upgrade

    Upgrade go/github.com/mattermost/mattermost/server/v8 to a version that resolves this vulnerability.

    Fixed in 10.2.3
  4. Upgrade

    Upgrade go/github.com/mattermost/mattermost/server/v8 to a version that resolves this vulnerability.

    Fixed in 9.11.8
  5. Upgrade

    Upgrade go/github.com/mattermost/mattermost/server/v8 to a version that resolves this vulnerability.

    Fixed in 8.0.0-20250122165010-4ed702ccff4e
  6. Upgrade

    Upgrade mattermost/boards-plugin to a version that resolves this vulnerability.

    Fixed in v9.0.5
  7. Upgrade

    Upgrade mattermost to a version that resolves this vulnerability.

    Fixed in 10.5.0
  8. Upgrade

    Upgrade mattermost to a version that resolves this vulnerability.

    Fixed in 10.4.2
  9. Upgrade

    Upgrade mattermost to a version that resolves this vulnerability.

    Fixed in 9.11.8
  10. Upgrade

    Upgrade mattermost to a version that resolves this vulnerability.

    Fixed in 10.3.3
  11. Upgrade

    Upgrade mattermost to a version that resolves this vulnerability.

    Fixed in 10.2.3

Event History

Feb 24, 2025
CVE Published
via MITRE·07:25 AM
Data Sourced
via MITRE·07:25 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
Affected Software
Advisory Published
via GitHub·09:35 AM

Frequently Asked Questions

1

What is the severity of CVE-2025-25279?

CVE-2025-25279 is rated as a high severity vulnerability due to its potential for unauthorized file access.

2

How do I fix CVE-2025-25279?

To fix CVE-2025-25279, upgrade to Mattermost versions 10.4.2, 10.3.3, 10.2.3, or 9.11.8.

3

What versions of Mattermost are affected by CVE-2025-25279?

Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, and 10.2.x <= 10.2.2 are affected by CVE-2025-25279.

4

What causes CVE-2025-25279?

CVE-2025-25279 is caused by improper validation of board blocks during the import process.

5

Can CVE-2025-25279 lead to data breaches?

Yes, CVE-2025-25279 can potentially allow attackers to read arbitrary files on the system, leading to data breaches.

Contact

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