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    2 vulnerabilities by open-zaak

    CVE-2020-26251 (GCVE-0-2020-26251)

    Vulnerability from cvelistv5 – Published: 2020-12-18 17:20 – Updated: 2024-08-04 15:56
    VLAI
    Title
    CORS configuration is possibly vulnerable
    Summary
    Open Zaak is a modern, open-source data- and services-layer to enable zaakgericht werken, a Dutch approach to case management. In Open Zaak before version 1.3.3 the Cross-Origin-Resource-Sharing policy in Open Zaak is currently wide open - every client is allowed. This allows evil.com to run scripts that perform AJAX calls to known Open Zaak installations, and the browser will not block these. This was intended to only apply to development machines running on localhost/127.0.0.1. Open Zaak 1.3.3 disables CORS by default, while it can be opted-in through environment variables. The vulnerability does not actually seem exploitable because: a) The session cookie has a `Same-Site: Lax` policy which prevents it from being sent along in Cross-Origin requests. b) All pages that give access to (production) data are login-protected c) `Access-Control-Allow-Credentials` is set to `false` d) CSRF checks probably block the remote origin, since they're not explicitly added to the trusted allowlist.
    Severity
    4.7 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
    CWE
    • CWE-346 - Origin Validation Error
    Assigner
    References
    Impacted products
    Vendor Product Version
    open-zaak open-zaak Affected: < 1.3.3
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2020-26251 (GCVE-0-2020-26251)

    Vulnerability from nvd – Published: 2020-12-18 17:20 – Updated: 2024-08-04 15:56
    VLAI
    Title
    CORS configuration is possibly vulnerable
    Summary
    Open Zaak is a modern, open-source data- and services-layer to enable zaakgericht werken, a Dutch approach to case management. In Open Zaak before version 1.3.3 the Cross-Origin-Resource-Sharing policy in Open Zaak is currently wide open - every client is allowed. This allows evil.com to run scripts that perform AJAX calls to known Open Zaak installations, and the browser will not block these. This was intended to only apply to development machines running on localhost/127.0.0.1. Open Zaak 1.3.3 disables CORS by default, while it can be opted-in through environment variables. The vulnerability does not actually seem exploitable because: a) The session cookie has a `Same-Site: Lax` policy which prevents it from being sent along in Cross-Origin requests. b) All pages that give access to (production) data are login-protected c) `Access-Control-Allow-Credentials` is set to `false` d) CSRF checks probably block the remote origin, since they're not explicitly added to the trusted allowlist.
    Severity
    4.7 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
    CWE
    • CWE-346 - Origin Validation Error
    Assigner
    References
    Impacted products
    Vendor Product Version
    open-zaak open-zaak Affected: < 1.3.3
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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