GitHub Advisoryadvisory · Go

GHSA-jj46-9cgh-qmfx Mattermost Improper Access Control vulnerability

MEDIUM Published 2023-11-27 Modified 2023-11-28 Official page ↗
Aliases
CVE-2023-47865
Ecosystem
Go
Packages
github.com/mattermost/mattermost/server/v8, github.com/mattermost/mattermost-server/v6
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-284
Reviewed
2023-11-28

Affected packages

• Go github.com/mattermost/mattermost/server/v8: < 8.1.4 → fixed in 8.1.4 • Go github.com/mattermost/mattermost-server/v6: < 7.8.13 → fixed in 7.8.13

Description

Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username and profile picture when posting, a member could also override the username and icon when making a post even if the Hardened Mode setting was enabled

Related

Alias · CVE (1)

  • CVE-2023-47865 Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. vulnerability

Weakness · CWE (1)

  • CWE-284 Improper Access Control weakness

References