GitHub Advisoryadvisory · Go

GHSA-8j3q-gc9x-7972 Mattermost Incorrect Type Conversion or Cast

MEDIUM Published 2025-01-15 Modified 2025-01-17 Official page ↗
Aliases
CVE-2025-21088
Ecosystem
Go
Packages
github.com/mattermost/mattermost/server/v8
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-704
Reviewed
2025-01-15

Affected packages

• Go github.com/mattermost/mattermost/server/v8: >= 10.2.0, < 10.2.1 → fixed in 10.2.1 • Go github.com/mattermost/mattermost/server/v8: >= 10.1.0, < 10.1.4 → fixed in 10.1.4 • Go github.com/mattermost/mattermost/server/v8: >= 10.0.0, < 10.0.4 → fixed in 10.0.4 • Go github.com/mattermost/mattermost/server/v8: >= 9.11.0, < 9.11.6 → fixed in 9.11.6 • Go github.com/mattermost/mattermost/server/v8: < 8.0.0-20241127161322-25ff7a3779a5 → fixed in 8.0.0-20241127161322-25ff7a3779a5

Description

Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the frontend via crafted malicious input.

Related

Alias · CVE (1)

  • CVE-2025-21088 Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate the style of proto… vulnerability

Weakness · CWE (1)

  • CWE-704 Incorrect Type Conversion or Cast weakness

References