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Mattermost Server Missing Authorization vulnerability

Moderate severity GitHub Reviewed Published Jun 16, 2023 to the GitHub Advisory Database • Updated Nov 4, 2023

Package

gomod github.com/mattermost/mattermost-server/v6 (Go)

Affected versions

= 7.10.0
>= 7.9.0, < 7.9.4
< 7.8.5

Patched versions

7.10.1
7.9.4
7.8.5

Description

Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.

References

Published by the National Vulnerability Database Jun 16, 2023
Published to the GitHub Advisory Database Jun 16, 2023
Reviewed Jun 23, 2023
Last updated Nov 4, 2023

Severity

Moderate
4.3
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weaknesses

CVE ID

CVE-2023-2783

GHSA ID

GHSA-455c-vqrf-mghr

Source code

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