Which of the following best describes a Time-of-Check-to-Time-of-Use (TOCTTOU) issue?
Understand the Problem
The question is asking to identify the best description of a Time-of-Check-to-Time-of-Use (TOCTTOU) issue from the provided options. This involves understanding how access permissions are managed and the implications of timing in permission checks.
Answer
A TOCTTOU vulnerability occurs when there is a window of time between checking data and using it.
The final answer is a TOCTTOU vulnerability occurs when there is a window of time between checking data and using it, allowing for potential modification.
Answer for screen readers
The final answer is a TOCTTOU vulnerability occurs when there is a window of time between checking data and using it, allowing for potential modification.
More Information
This vulnerability exploits a race condition, allowing an attacker to alter the state of a resource after it has been checked but before it has been used.
Sources
- Time-of-Check to Time-of-Use - Wikipedia - en.wikipedia.org
- CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition - cwe.mitre.org
- How to mitigate the risk of a TOCTTOU attack - TechTarget - techtarget.com
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