GitHub Advisoryadvisory · Go

GHSA-c37r-v8jx-7cv2 Mattermost Uncontrolled Resource Consumption vulnerability

MEDIUM Published 2023-11-27 Modified 2023-11-28 Official page ↗
Aliases
CVE-2023-40703
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:N/A:L
Weaknesses
CWE-400
Reviewed
2023-11-28

Affected packages

• Go github.com/mattermost/mattermost/server/v8: >= 9.1.0, < 9.1.1 → fixed in 9.1.1 • Go github.com/mattermost/mattermost/server/v8: >= 9.0.0, < 9.0.2 → fixed in 9.0.2 • 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 properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string.

Related

Alias · CVE (1)

  • CVE-2023-40703 Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to… vulnerability

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References