CAPEC Definitions

    CAPEC Definitions / CAPEC-473

    CAPEC-473: Signature Spoof

    An attacker generates a message or datablock that causes the recipient to believe that the message or datablock was generated and cryptographically signed by an authoritative or reputable source, misleading a victim or victim operating system into performing malicious actions.

    Severity:
    Possibility:

    Extended Description

    No Extended Description.

    Mitigations

    No Mitigations found.

    Relationships with other CAPECs

    CAPEC-151: Identity Spoofing

    Prerequisites

    The victim or victim system is dependent upon a cryptographic signature-based verification system for validation of one or more security events or actions.

    The validation can be bypassed via an attacker-provided signature that makes it appear that the legitimate authoritative or reputable source provided the signature.

    Related Weaknesses

    CWE-20: Improper Input Validation

    CWE-327: Use of a Broken or Risky Cryptographic Algorithm

    CWE-290: Authentication Bypass by Spoofing