CWE-774 is Allocation of File Descriptors or Handles Without Limits or Throttling. The flaw arises when the product allocates file descriptors or handles on behalf of an actor without imposing any restrictions on how many descriptors can be allocated, in violation of the intended security policy for that actor.
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No vulnerability data for CWE-774
No vulnerability data in CISA KEV for CWE-774
The product allocates file descriptors or handles on behalf of an actor without imposing any restrictions on how many descriptors can be allocated, in violation of the intended security policy for that actor.
This can cause the product to consume all available file descriptors or handles, which can prevent other processes from performing critical file processing operations.
| Impact | Scope | Explanation |
|---|---|---|
| DoS: Resource Consumption (Other) | Availability | When allocating resources without limits, an attacker could prevent all other processes from accessing the same type of resource. |
| Method | Approach | Effectiveness |
|---|---|---|
| Automated Static Analysis | Automated static analysis, commonly referred to as Static Application Security Testing (SAST), can find some instances of this weakness by analyzing source code (or binary/compiled code) without having to execute it. Typically, this is done by building a model of data flow and control flow, then searching for potentially-vulnerable patterns that connect "sources" (origins of input) with "sinks" (destinations where the data interacts with external components, a lower layer such as the OS, etc.) | - |
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