Détail du CWE-382

A J2EE application uses System.exit(), which also shuts down its container.

It is never a good idea for a web application to attempt to shut down the application container. Access to a function that can shut down the application is an avenue for Denial of Service (DoS) attacks.

Modes d'introduction

Implementation : A call to System.exit() is probably part of leftover debug code or code imported from a non-J2EE application.

Plateformes applicables

Langue

Name: Java (Undetermined)

Conséquences courantes

Mesures d’atténuation potentielles

Phases : Architecture and Design
The shutdown function should be a privileged function available only to a properly authorized administrative user
Phases : Implementation
Web applications should not call methods that cause the virtual machine to exit, such as System.exit()
Phases : Implementation
Web applications should also not throw any Throwables to the application server as this may adversely affect the container.
Phases : Implementation
Non-web applications may have a main() method that contains a System.exit(), but generally should not call System.exit() from other locations in the code

Méthodes de détection

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.)
Efficacité : High

Notes de cartographie des vulnérabilités

Justification : This CWE entry is at the Variant level of abstraction, which is a preferred level of abstraction for mapping to the root causes of vulnerabilities.
Commentaire : 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.

Références

REF-6

Seven Pernicious Kingdoms: A Taxonomy of Software Security Errors
Katrina Tsipenyuk, Brian Chess, Gary McGraw.
https://samate.nist.gov/SSATTM_Content/papers/Seven%20Pernicious%20Kingdoms%20-%20Taxonomy%20of%20Sw%20Security%20Errors%20-%20Tsipenyuk%20-%20Chess%20-%20McGraw.pdf

Soumission

Modifications