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CISSP study material · question 488 of 500

An application checks for updates over HTTPS and installs whatever the endpoint returns without verifying a signature. What consequence does OWASP describe?

  1. The application would lose its ability to roll back to a prior version.
  2. The update would fail to install because the transport check would reject it.
  3. An attacker able to publish an update could have their own code distributed and run on every installation.
  4. Only installations that had not previously updated would be affected.
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Answer: C. An attacker able to publish an update could have their own code distributed and run on every installation.

Where an update arrives unverified and is applied to software already trusted, whoever can publish one reaches every installation with their own code.

Source: OWASP Top 10 A08:2025 (OWASP) — OWASP Top 10:2025 A08 Software or Data Integrity Failures > Description

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