GHSA-2j87-p623-8cc2

Source

https://github.com/advisories/GHSA-2j87-p623-8cc2

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-2j87-p623-8cc2/GHSA-2j87-p623-8cc2.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-2j87-p623-8cc2

Aliases

CVE-2025-27936
GO-2025-3618

Published

2025-04-16T12:31:19Z

Modified

2025-04-23T15:18:35Z

Severity

5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator

Summary

Mattermost vulnerable to Observable Timing Discrepancy

Details

Mattermost Plugin MSTeams versions <2.1.0 and Mattermost Server versions 10.5.x <=10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack during webhook secret comparison.

Database specific

{
    "nvd_published_at": "2025-04-16T10:15:14Z",
    "cwe_ids": [
        "CWE-208"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2025-04-16T14:58:55Z"
}

References

Affected packages

Go / github.com/mattermost/mattermost/server/v8

Package

Name: github.com/mattermost/mattermost/server/v8; View open source insights on deps.dev
Purl: pkg:golang/github.com/mattermost/mattermost/server/v8

Affected ranges

Type: SEMVER
Events: Introduced

10.5.0

Fixed

10.5.2

Go / github.com/mattermost/mattermost/server/v8

Package

Name: github.com/mattermost/mattermost/server/v8; View open source insights on deps.dev
Purl: pkg:golang/github.com/mattermost/mattermost/server/v8

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

8.0.0-20250314142426-c049748b8863

Go / github.com/mattermost/mattermost-plugin-msteams

Package

Name: github.com/mattermost/mattermost-plugin-msteams; View open source insights on deps.dev
Purl: pkg:golang/github.com/mattermost/mattermost-plugin-msteams

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.1.0

Database specific

{
    "last_known_affected_version_range": "<= 1.15.0"
}