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Mattermost incorrectly allows access individual posts

Low severity GitHub Reviewed Published Feb 29, 2024 to the GitHub Advisory Database • Updated Mar 10, 2024

Package

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

Affected versions

>= 9.0.0, < 9.4.0
< 8.1.9

Patched versions

9.4.0
8.1.9

Description

Mattermost version 8.1.x before 8.1.9 fails to sanitize data associated with permalinks when a plugin updates an ephemeral post, allowing an authenticated attacker who can control the ephemeral post update to access individual posts' contents in channels they are not a member of.

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 Mar 10, 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-2024-1952

GHSA ID

GHSA-r4fm-g65h-cr54

Source code

Checking history
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