CVE-2024-4182: Medium severity Mattermost Mattermost Server vulnerability

Published Apr 26, 2024
·
Updated

Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status.

Affected Software

8 affected componentsFixes available
go/github.com/mattermost/mattermost-server>=9.6.0-rc1<=9.6.0
9.6.1
go/github.com/mattermost/mattermost-server>=9.5.0<=9.5.2
9.5.3
go/github.com/mattermost/mattermost-server>=9.4.0<=9.4.4
9.4.5
go/github.com/mattermost/mattermost-server>=8.1.0<=8.1.11
8.1.12
Mattermost Mattermost Server>=8.1.0<8.1.12
Mattermost Mattermost Server>=9.4.0<9.4.5
Mattermost Mattermost Server>=9.5.0<9.5.3
Mattermost Mattermost Server>=9.6.0<9.6.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 9.6.1
  2. Upgrade

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

    Fixed in 9.5.3
  3. Upgrade

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

    Fixed in 9.4.5
  4. Upgrade

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

    Fixed in 8.1.12
  5. Upgrade

    Upgrade Mattermost Server to a version that resolves this vulnerability.

    Fixed in 9.7.0
  6. Upgrade

    Upgrade Mattermost Server to a version that resolves this vulnerability.

    Fixed in 9.6.1
  7. Upgrade

    Upgrade Mattermost Server to a version that resolves this vulnerability.

    Fixed in 9.5.3
  8. Upgrade

    Upgrade Mattermost Server to a version that resolves this vulnerability.

    Fixed in 9.4.5
  9. Upgrade

    Upgrade Mattermost Server to a version that resolves this vulnerability.

    Fixed in 8.1.12

Event History

Apr 26, 2024
CVE Published
via MITRE·08:25 AM
Data Sourced
via MITRE·08:25 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:15 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 AM
Affected Software
Advisory Published
via GitHub·09:30 AM

Frequently Asked Questions

1

What is the severity of CVE-2024-4182?

CVE-2024-4182 is classified as a moderate severity vulnerability due to its potential to disrupt user sessions.

2

How do I fix CVE-2024-4182?

To mitigate CVE-2024-4182, update Mattermost to version 9.6.1, 9.5.3, 9.4.5, or 8.1.12.

3

What versions are affected by CVE-2024-4182?

CVE-2024-4182 affects Mattermost versions 9.6.0, 9.5.x prior to 9.5.3, 9.4.x prior to 9.4.5, and 8.1.x prior to 8.1.12.

4

What type of attack does CVE-2024-4182 enable?

CVE-2024-4182 allows authenticated attackers to crash other users' web clients through malformed custom status values.

5

Is there a workaround for CVE-2024-4182?

There is no official workaround for CVE-2024-4182; users are advised to update to the recommended versions.

Company

Resources

Contact

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