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/**
* @name Uncontrolled command line
* @description Using externally controlled strings in a command line may allow a malicious
* user to change the meaning of the command.
* @kind path-problem
* @problem.severity error
* @security-severity 9.8
* @precision high
* @id js/command-line-injection
* @tags correctness
* security
* external/cwe/cwe-078
* external/cwe/cwe-088
*/
import javascript
import semmle.javascript.security.dataflow.CommandInjectionQuery
import CommandInjectionFlow::PathGraph
from
CommandInjectionFlow::PathNode source, CommandInjectionFlow::PathNode sink,
DataFlow::Node highlight, Source sourceNode
where
CommandInjectionFlow::flowPath(source, sink) and
(
if isSinkWithHighlight(sink.getNode(), _)
then isSinkWithHighlight(sink.getNode(), highlight)
else highlight = sink.getNode()
) and
sourceNode = source.getNode()
select highlight, source, sink, "This command line depends on a $@.", source.getNode(),
"user-provided value"
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