CWE-1055: Multiple Inheritance from Concrete Classes

What is Multiple Inheritance from Concrete Classes?

• Overview: Multiple Inheritance from Concrete Classes occurs when a class is derived from more than one concrete class, which can complicate code management and maintenance, potentially leading to security issues.

• Exploitation Methods:

• Attackers may exploit this complexity by targeting areas of the code that are difficult to understand and maintain.
• Common attack patterns include introducing subtle bugs or vulnerabilities that are hard to detect due to the intricate class hierarchy.

• Security Impact:

• Direct consequences include increased difficulty in identifying and fixing vulnerabilities.
• Potential cascading effects involve the inadvertent introduction of bugs or security flaws during maintenance or updates.
• Business impact includes higher maintenance costs and increased risk of security breaches, potentially leading to data loss or reputational damage.

• Prevention Guidelines:

• Specific code-level fixes include refactoring code to reduce or eliminate the use of multiple inheritance from concrete classes.
• Security best practices involve designing simpler class hierarchies and using interfaces or abstract classes to achieve similar functionality.
• Recommended tools and frameworks include static analysis tools to identify and provide warnings about complex inheritance patterns and IDEs that support refactoring efforts.

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Technical Details

Likelihood of Exploit: Not specified

Affected Languages: Not specified

Affected Technologies: Not specified