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codeql/java/ql/lib/semmle/code/java/security/TemplateInjectionQuery.qll
2023-12-14 15:15:58 +01:00

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/** Provides a taint tracking configuration for server-side template injection (SST) vulnerabilities */
import java
import semmle.code.java.dataflow.TaintTracking
import semmle.code.java.dataflow.FlowSources
import semmle.code.java.security.TemplateInjection
/**
* DEPRECATED: Use `TemplateInjectionFlow` instead.
*
* A taint tracking configuration to reason about server-side template injection (SST) vulnerabilities
*/
deprecated class TemplateInjectionFlowConfig extends TaintTracking::Configuration {
TemplateInjectionFlowConfig() { this = "TemplateInjectionFlowConfig" }
override predicate isSource(DataFlow::Node source, DataFlow::FlowState state) {
source.(TemplateInjectionSource).hasState(state)
}
override predicate isSink(DataFlow::Node sink, DataFlow::FlowState state) {
sink.(TemplateInjectionSink).hasState(state)
}
override predicate isSanitizer(DataFlow::Node sanitizer) {
sanitizer instanceof TemplateInjectionSanitizer
}
override predicate isSanitizer(DataFlow::Node sanitizer, DataFlow::FlowState state) {
sanitizer.(TemplateInjectionSanitizerWithState).hasState(state)
}
override predicate isAdditionalTaintStep(DataFlow::Node node1, DataFlow::Node node2) {
any(TemplateInjectionAdditionalTaintStep a).isAdditionalTaintStep(node1, node2)
}
override predicate isAdditionalTaintStep(
DataFlow::Node node1, DataFlow::FlowState state1, DataFlow::Node node2,
DataFlow::FlowState state2
) {
any(TemplateInjectionAdditionalTaintStep a).isAdditionalTaintStep(node1, state1, node2, state2)
}
}
/** A taint tracking configuration to reason about server-side template injection (SST) vulnerabilities */
module TemplateInjectionFlowConfig implements DataFlow::ConfigSig {
predicate isSource(DataFlow::Node source) { source instanceof TemplateInjectionSource }
predicate isSink(DataFlow::Node sink) { sink instanceof TemplateInjectionSink }
predicate isBarrier(DataFlow::Node sanitizer) { sanitizer instanceof TemplateInjectionSanitizer }
predicate isAdditionalFlowStep(DataFlow::Node node1, DataFlow::Node node2) {
any(TemplateInjectionAdditionalTaintStep a).isAdditionalTaintStep(node1, node2)
}
}
/** Tracks server-side template injection (SST) vulnerabilities */
module TemplateInjectionFlow = TaintTracking::Global<TemplateInjectionFlowConfig>;