GHSA-m7w4-q5vg-5xfp

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    GHSA-m7w4-q5vg-5xfp

    Published: 25 Sept 2022Last Modified: 6 Dec 2023

    Summary: Mattermost subject to Denial of Service via upload of special GIF

    Details: Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.

    References: https://nvd.nist.gov/vuln/detail/CVE-2022-3257, https://hackerone.com/reports/1620170, https://github.com/mattermost/mattermost-server, https://mattermost.com/security-updates

    Affected packages

    Package

    Name: github.com/mattermost/mattermost-server/v6

    Purl: pkg:golang/github.com/mattermost/mattermost-server/v6

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 7.1.0
    Fixed -7.2.0

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-m7w4-q5vg-5xfp | CVE-DB