CWE-1187: DEPRECATED: Use of Uninitialized Resource

What is DEPRECATED: Use of Uninitialized Resource?

• Overview: Use of uninitialized resources refers to the practice of accessing resources (such as variables, memory, or files) before they have been properly initialized, potentially leading to unpredictable behavior or security vulnerabilities.

• Exploitation Methods:

• Attackers can exploit this vulnerability by manipulating uninitialized data to control program behavior or leak sensitive information.
• Common attack patterns include buffer overflows or injecting malicious data to exploit the uninitialized state.

• Security Impact:

• Direct consequences of successful exploitation can include unauthorized data access, application crashes, or code execution.
• Potential cascading effects may involve data corruption, denial of service, or escalation of privileges.
• Business impact might include data breaches, loss of user trust, and financial damage due to compromised systems or compliance violations.

• Prevention Guidelines:

• Specific code-level fixes include explicitly initializing all resources before use and validating the state of resources before accessing them.
• Security best practices involve adopting a defensive programming approach, conducting thorough code reviews, and employing static analysis tools to detect uninitialized resources.
• Recommended tools and frameworks include using modern compilers with warnings for uninitialized variables and leveraging automated testing tools to ensure resources are correctly initialized.

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Technical Details

Likelihood of Exploit: Not specified

Affected Languages: Not specified

Affected Technologies: Not specified