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Mattermost fails to properly restrict the access of files attached to posts

Low severity GitHub Reviewed Published Feb 29, 2024 to the GitHub Advisory Database • Updated Feb 29, 2024

Package

gomod github.com/mattermost/mattermost/server/v8 (Go)

Affected versions

>= 9.0.0, < 9.4.2
< 8.1.9

Patched versions

9.4.2
8.1.9

Description

Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.

References

Published by the National Vulnerability Database Feb 29, 2024
Published to the GitHub Advisory Database Feb 29, 2024
Reviewed Feb 29, 2024
Last updated Feb 29, 2024

Severity

Low
3.1
/ 10

CVSS base metrics

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

Weaknesses

CVE ID

CVE-2024-23488

GHSA ID

GHSA-xgxj-j98c-59rv

Source code

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