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CVE-2024-39837

Good to know:

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Date: August 1, 2024

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly restrict channel creation which allows a malicious remote to create arbitrary channels, when shared channels were enabled.

Language: Go

Severity Score

Related Resources (6)

https://github.com/mattermost/mattermost
https://nvd.nist.gov/vuln/detail/CVE-2024-39837
https://github.com/advisories/GHSA-vvpg-55p7-5h8w
https://mattermost.com/security-updates
https://pkg.go.dev/vuln/GO-2024-3032
https://www.mend.io/vulnerability-database/CVE-2024-39837

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Top Fix

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Upgrade Version

Upgrade to version github.com/mattermost/mattermost/server/v8 - v8.0.0-20240626164322-c758cecaf30c;github.com/mattermost/mattermost-server - v9.9.1;github.com/mattermost/mattermost-server - v9.5.7;github.com/mattermost/mattermost-server - v9.5.7+incompatible

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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