CWE-403

• CWE ID
• 403

• CWE Name
• Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak')

• CWE Abstraction
• Base

• CWE structure
• Simple

• CWE Status
• Draft

A process does not close sensitive file descriptors before invoking a child process, which allows the child to perform unauthorized I/O operations using those descriptors.

When a new process is forked or executed, the child process inherits any open file descriptors. When the child process has fewer privileges than the parent process, this might introduce a vulnerability if the child process can access the file descriptor b