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codeql/java/ql/lib/semmle/code/java/security/ImproperValidationOfArrayConstructionQuery.qll

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/** Provides a taint-tracking configuration to reason about improper validation of user-provided size used for array construction. */
import java
private import semmle.code.java.security.internal.ArraySizing
private import semmle.code.java.dataflow.FlowSources
/**
* A taint-tracking configuration to reason about improper validation of
* user-provided size used for array construction.
*/
module ImproperValidationOfArrayConstructionConfig implements DataFlow::ConfigSig {
predicate isSource(DataFlow::Node source) { source instanceof ThreatModelFlowSource }
predicate isSink(DataFlow::Node sink) {
any(CheckableArrayAccess caa).canThrowOutOfBoundsDueToEmptyArray(sink.asExpr(), _)
}
}
/**
* Taint-tracking flow for improper validation of user-provided size used
* for array construction.
*/
module ImproperValidationOfArrayConstructionFlow =
TaintTracking::Global<ImproperValidationOfArrayConstructionConfig>;