BIT-discourse-2024-24827

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    BIT-discourse-2024-24827

    Published: 1 Apr 2024Last Modified: 8 Sept 2026

    Summary: No rate limits on POST /uploads endpoint in Discourse

    Details: Discourse is an open source platform for community discussion. Without a rate limit on the POST /uploads endpoint, it makes it easier for an attacker to carry out a DoS attack on the server since creating an upload can be a resource intensive process. Do note that the impact varies from site to site as various site settings like `max_image_size_kb`, `max_attachment_size_kb` and `max_image_megapixels` will determine the amount of resources used when creating an upload. The issue is patched in the latest stable, beta and tests-passed version of Discourse. Users are advised to upgrade. Users unable to upgrade should reduce `max_image_size_kb`, `max_attachment_size_kb` and `max_image_megapixels` as smaller uploads require less resources to process. Alternatively, `client_max_body_size` can be reduced in Nginx to prevent large uploads from reaching the server.

    References: https://github.com/discourse/discourse/commit/003b80e62f97cd8c0114d6b9d3f93c10443e6fae, https://github.com/discourse/discourse/security/advisories/GHSA-58vw-246g-fjj4, https://nvd.nist.gov/vuln/detail/CVE-2024-24827

    Affected packages

    Package

    Name: discourse

    Purl: pkg:bitnami/discourse

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -3.2.1

    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
    BIT-discourse-2024-24827 | CVE-DB