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25 lines
961 B
Plaintext
25 lines
961 B
Plaintext
/**
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* @name Unsafe shell command constructed from library input
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* @description Using externally controlled strings in a command line may allow a malicious
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* user to change the meaning of the command.
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* @kind path-problem
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* @problem.severity error
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* @security-severity 6.3
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* @precision high
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* @id js/shell-command-constructed-from-input
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* @tags correctness
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* security
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* external/cwe/cwe-078
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* external/cwe/cwe-088
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*/
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import javascript
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import semmle.javascript.security.dataflow.UnsafeShellCommandConstructionQuery
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import DataFlow::PathGraph
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from Configuration cfg, DataFlow::PathNode source, DataFlow::PathNode sink, Sink sinkNode
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where cfg.hasFlowPath(source, sink) and sinkNode = sink.getNode()
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select sinkNode.getAlertLocation(), source, sink,
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"This " + sinkNode.getSinkType() + " which depends on $@ is later used in a $@.",
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source.getNode(), "library input", sinkNode.getCommandExecution(), "shell command"
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