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codeql/python/ql/lib/semmle/python/security/dataflow/XmlBombQuery.qll
2022-04-07 15:37:56 +02:00

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/**
* Provides a taint-tracking configuration for detecting "XML bomb" vulnerabilities.
*
* Note, for performance reasons: only import this file if
* `Configuration` is needed, otherwise
* `XmlBombCustomizations` should be imported instead.
*/
import python
import semmle.python.dataflow.new.DataFlow
import semmle.python.dataflow.new.TaintTracking
import XmlBombCustomizations::XmlBomb
/**
* A taint-tracking configuration for detecting "XML bomb" vulnerabilities.
*/
class Configuration extends TaintTracking::Configuration {
Configuration() { this = "XmlBomb" }
override predicate isSource(DataFlow::Node source) { source instanceof Source }
override predicate isSink(DataFlow::Node sink) { sink instanceof Sink }
override predicate isSanitizer(DataFlow::Node node) {
super.isSanitizer(node) or
node instanceof Sanitizer
}
}