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github.com/Yubico/yubihsm-connector

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 Withdrawn advisories and news are excluded.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

  1. Medium, CVSS 5.4GoPublished

    Infinite loop in Yubico yubihsm-connector

    CVE-2021-28484 · GHSA-8m9g-647g-5pxw

    Affected
    • Go github.com/Yubico/yubihsm-connector < 3.0.1
    Fixed in
    3.0.1· Vendor fix available
    Issue
    An issue was discovered in the /api/connector endpoint handler in Yubico yubihsm-connector before 3.0.1 (in YubiHSM SDK before 2021.04). The handler did not validate the length of the request, which can lead to a state where yubihsm-connector becomes stuck in a loop waiting for the YubiHSM to send it data, preventing any further operations until the yubihsm-connector is restarted. An attacker can send 0, 1, or 2 bytes to trigger this.

    Recommended action: Upgrade to 3.0.1 or later, 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 →