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Mattermost vulnerable to excessive memory consumption

Moderate severity GitHub Reviewed Published Nov 6, 2023 to the GitHub Advisory Database • Updated Nov 23, 2023

Package

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

Affected versions

< 7.8.12

Patched versions

7.8.12
gomod github.com/mattermost/mattermost/server/v8 (Go)
>= 8.0.0, < 8.0.4
>= 8.1.0, < 8.1.3
= 9.0.0
8.0.4
8.1.3
9.0.1

Description

Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.

References

Published by the National Vulnerability Database Nov 6, 2023
Published to the GitHub Advisory Database Nov 6, 2023
Reviewed Nov 8, 2023
Last updated Nov 23, 2023

Severity

Moderate
5.3
/ 10

CVSS base metrics

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

Weaknesses

CVE ID

CVE-2023-5969

GHSA ID

GHSA-w496-f5qq-m58j

Source code

Credits

Checking history
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