Szczegóły CWE-771

CWE-771

Missing Reference to Active Allocated Resource
2009-05-27
00h00 +00:00
Średni
Incomplete
2026-10-28
00h00 +00:00
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Nazwa: Missing Reference to Active Allocated Resource

The product does not properly maintain a reference to a resource that has been allocated, which prevents the resource from being reclaimed.

Informacje ogólne

Sposoby wprowadzenia

Implementation

Odpowiednie platformy

Język

Klasa: Not Language-Specific (Undetermined)

Typowe konsekwencje

Zakres Wpływ Prawdopodobieństwo
AvailabilityDoS: Resource Consumption (Memory), DoS: Resource Consumption (Other)

Uwaga: If an attacker can create the conditions that mistakenly release a reference to a resource, then the attacker could prevent the resource from being reclaimed, deplete the available resource pool, and prevent other processes or threads from accessing the same type of resource.

Potencjalne środki zaradcze

Phases : Operation // Architecture and Design

Metody wykrywania

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.)

Uwagi dotyczące mapowania podatności

Uzasadnienie : This CWE entry is at the Base level of abstraction, which is a preferred level of abstraction for mapping to the root causes of vulnerabilities.
Komentarz : Carefully read both the name and description to ensure that this mapping is an appropriate fit. Do not try to 'force' a mapping to a lower-level Base/Variant simply to comply with this preferred level of abstraction.

Notatki

This weakness might not frequently apply to applications written 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.

Zgłoszenie

Nazwa Organizacja Data Data wydania Version
CWE Content Team MITRE 2009-05-13 +00:00 2009-05-27 +00:00 1.4

Modyfikacje

Nazwa Organizacja Data Komentarz
CWE Content Team MITRE 2009-07-27 +00:00 updated Relationships
CWE Content Team MITRE 2010-04-05 +00:00 updated Potential_Mitigations
CWE Content Team MITRE 2011-06-01 +00:00 updated Common_Consequences
CWE Content Team MITRE 2012-05-11 +00:00 updated Relationships
CWE Content Team MITRE 2012-10-30 +00:00 updated Potential_Mitigations
CWE Content Team MITRE 2014-07-30 +00:00 updated Relationships, Taxonomy_Mappings
CWE Content Team MITRE 2017-01-19 +00:00 updated Relationships
CWE Content Team MITRE 2017-11-08 +00:00 updated Likelihood_of_Exploit, Taxonomy_Mappings
CWE Content Team MITRE 2019-01-03 +00:00 updated Common_Consequences, Maintenance_Notes, Relationships, Theoretical_Notes
CWE Content Team MITRE 2020-02-24 +00:00 updated Relationships, Taxonomy_Mappings
CWE Content Team MITRE 2022-10-13 +00:00 updated Relationships, Taxonomy_Mappings
CWE Content Team MITRE 2023-01-31 +00:00 updated Description
CWE Content Team MITRE 2023-04-27 +00:00 updated Relationships, Taxonomy_Mappings, Time_of_Introduction
CWE Content Team MITRE 2023-06-29 +00:00 updated Mapping_Notes
CWE Content Team MITRE 2025-12-11 +00:00 updated Applicable_Platforms, Detection_Factors, Weakness_Ordinalities
CWE Content Team MITRE 2026-10-28 +00:00 updated Common_Consequences, Description, Other_Notes