Missing Synchronization

Opis

The product utilizes a shared resource in a concurrent manner but does not attempt to synchronize access to the resource.

If access to a shared resource is not synchronized, then the resource may not be in a state that is expected by the product. This might lead to unexpected or insecure behaviors, especially if an attacker can influence the shared resource.

Skutki

• Integrity, Confidentiality, Other

  Modify Application Data; Read Application Data; Alter Execution Logic

Słabość nadrzędna

• CWE-662 Improper Synchronization

Słabości podrzędne

• CWE-543 Use of Singleton Pattern Without Synchronization in a Multithreaded Context
• CWE-567 Unsynchronized Access to Shared Data in a Multithreaded Context
• CWE-1096 Singleton Class Instance Creation without Proper Locking or Synchronization

Kiedy powstaje

• Implementation

Dotyczy

Not Language-Specific

Uwagi

Deeper research is necessary for synchronization and related mechanisms, including locks, mutexes, semaphores, and other mechanisms. Multiple entries are dependent on this research, which includes relationships to concurrency, race conditions, reentrant functions, etc. CWE-662 and its children - including CWE-667, CWE-820, CWE-821, and others - may need to be modified significantly, along with their relationships.