GHSA-mcxr-fx5f-96qq

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    GHSA-mcxr-fx5f-96qq

    Published: 23 Nov 2021Last Modified: 2 Dec 2024

    Summary: Server-Side Request Forgery in Concrete CMS

    Details: Concrete CMS (formerly concrete5) versions below 8.5.7 has a SSRF mitigation bypass using DNS Rebind attack giving an attacker the ability to fetch cloud IAAS (ex AWS) IAM keys.To fix this Concrete CMS no longer allows downloads from the local network and specifies the validated IP when downloading rather than relying on DNS.Discoverer.

    References: https://nvd.nist.gov/vuln/detail/CVE-2021-22969, https://hackerone.com/reports/1369312, https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes

    Affected packages

    Package

    Name: concrete5/core

    Purl: pkg:composer/concrete5/core

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -8.5.7

    Affected versions

    8.2.0
    8.2.0RC2
    8.2.1

    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-mcxr-fx5f-96qq | CVE-DB