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neos/form

Open actionable advisories and recorded vendor fixes. This public package view has no inventory attached and cannot establish whether your deployment is affected. A vendor fix never resolves your finding; verify your installed version and the source guidance.

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1 actionable advisory, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. Medium, CVSS 6.5PackagistPublished

    Form validation can be skipped

    CVE-2021-32697 · GHSA-m5vx-8chx-qvmm

    Affected
    • Packagist neos/form >= 1.2.0, < 4.3.3; >= 5.0.0, < 5.0.9; >= 5.1.0, < 5.1.3
    Fixed in
    5.1.35.0.94.3.3· Vendor fix available
    Issue
    Impact By crafting a special GET request containing a valid form state, a form can be submitted without invoking any validators. We consider the severity low because it is not possible to change any form values since the form state is secured with an HMAC that is still verified. That means that this issue can only be exploited if Form Finishers cause side effects even if no form values have been sent. Patches https://github.com/neos/form/commit/69de4219b1f58157e2be6b05811463875d75c246 Workarounds Form Finishers can be adjusted in a way that they only execute an action if the submitted form contains some expected data. Alternatively a custom Finisher can be added as first finisher. References This regression was introduced with https://github.com/neos/form/commit/049d415295be8d4a0478ccba97dba1bb81649567 Original report: https://tickets.neos.io/#ticket/zoom/411 (internal)

    Recommended action: Upgrade to 5.1.3, 5.0.9 or 4.3.3 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →