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Refactor InsecureWebResourceResponse

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This commit is contained in:
Ed Minnix
2023-04-12 12:33:36 -04:00
parent 074745315c
commit e3f6bc043d
1 changed files with 10 additions and 9 deletions
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19
java/ql/src/experimental/Security/CWE/CWE-200/InsecureWebResourceResponse.ql
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@@ -16,19 +16,20 @@ import semmle.code.java.dataflow.FlowSources
import semmle.code.java.dataflow.TaintTracking
import semmle.code.java.security.PathSanitizer
import AndroidWebResourceResponse
import DataFlow::PathGraph
import InsecureWebResourceResponseFlow::PathGraph
class InsecureWebResourceResponseConfig extends TaintTracking::Configuration {
InsecureWebResourceResponseConfig() { this = "InsecureWebResourceResponseConfig" }
module InsecureWebResourceResponseConfig implements DataFlow::ConfigSig {
predicate isSource(DataFlow::Node src) { src instanceof RemoteFlowSource }
override predicate isSource(DataFlow::Node src) { src instanceof RemoteFlowSource }
predicate isSink(DataFlow::Node sink) { sink instanceof WebResourceResponseSink }
override predicate isSink(DataFlow::Node sink) { sink instanceof WebResourceResponseSink }
override predicate isSanitizer(DataFlow::Node node) { node instanceof PathInjectionSanitizer }
predicate isBarrier(DataFlow::Node node) { node instanceof PathInjectionSanitizer }
}
from DataFlow::PathNode source, DataFlow::PathNode sink, InsecureWebResourceResponseConfig conf
where conf.hasFlowPath(source, sink)
module InsecureWebResourceResponseFlow = TaintTracking::Global<InsecureWebResourceResponseConfig>;
from
InsecureWebResourceResponseFlow::PathNode source, InsecureWebResourceResponseFlow::PathNode sink
where InsecureWebResourceResponseFlow::flowPath(source, sink)
select sink.getNode(), source, sink, "Leaking arbitrary content in Android from $@.",
source.getNode(), "this user input"