Missing Reference to Active Allocated ResourceID: 771 | Date: (C)2012-05-14 (M)2022-10-10 |
Type: weakness | Status: INCOMPLETE |
Abstraction Type: Base |
Description
The software does not properly maintain a reference to a
resource that has been allocated, which prevents the resource from being
reclaimed.
Extended DescriptionThis does not necessarily apply in languages or frameworks that
automatically perform garbage collection, since the removal of all
references may act as a signal that the resource is ready to be
reclaimed.
Likelihood of Exploit: Medium to High
Applicable PlatformsNone
Time Of Introduction
- Architecture and Design
- Implementation
Common Consequences
Scope | Technical Impact | Notes |
---|
Availability | DoS: resource consumption
(other) | When allocating resources without limits, an attacker could prevent
all other processes from accessing the same type of resource. |
Detection MethodsNone
Potential Mitigations
Phase | Strategy | Description | Effectiveness | Notes |
---|
OperationArchitecture and Design | Limit Resource Consumption | Use resource-limiting settings provided by the operating system or
environment. For example, when managing system resources in POSIX,
setrlimit() can be used to set limits for certain types of resources,
and getrlimit() can determine how many resources are available. However,
these functions are not available on all operating systems.When the current levels get close to the maximum that is defined for
the application (see CWE-770), then limit the allocation of further
resources to privileged users; alternately, begin releasing resources
for less-privileged users. While this mitigation may protect the system
from attack, it will not necessarily stop attackers from adversely
impacting other users.Ensure that the application performs the appropriate error checks and
error handling in case resources become unavailable (CWE-703). | | |
Relationships
Related CWE | Type | View | Chain |
---|
CWE-771 ChildOf CWE-892 | Category | CWE-888 | |
Demonstrative ExamplesNone
White Box Definitions None
Black Box Definitions None
Taxynomy MappingsNone
References:None