Use of Expired File Descriptor

Opis

The product uses or accesses a file descriptor after it has been closed.

After a file descriptor for a particular file or device has been released, it can be reused. The code might not write to the original file, since the reused file descriptor might reference a different file or device.

Inne nazwy

Stale file descriptor

Skutki

• Confidentiality

  Read Files or Directories

  The program could read data from the wrong file.

• Availability

  DoS: Crash, Exit, or Restart

  Accessing a file descriptor that has been closed can cause a crash.

Słabość nadrzędna

• CWE-672 Operation on a Resource after Expiration or Release

Kiedy powstaje

• Implementation

Dotyczy

C, C++, Not Language-Specific