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83ca4ef6d9
In the CVSS calculator we model this by setting 'Attack Complexity' to High and 'User Interaction' to Low (as opposed to None). CVSS vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N
31 lines
1.0 KiB
Plaintext
31 lines
1.0 KiB
Plaintext
/**
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* @name Shell command built from environment values
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* @description Building a shell command string with values from the enclosing
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* environment may cause subtle bugs or vulnerabilities.
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* @kind path-problem
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* @problem.severity warning
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* @security-severity 6.3
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* @precision high
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* @id js/shell-command-injection-from-environment
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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 DataFlow::PathGraph
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import semmle.javascript.security.dataflow.ShellCommandInjectionFromEnvironmentQuery
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from
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Configuration cfg, DataFlow::PathNode source, DataFlow::PathNode sink, DataFlow::Node highlight,
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Source sourceNode
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where
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sourceNode = source.getNode() and
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cfg.hasFlowPath(source, sink) and
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if cfg.isSinkWithHighlight(sink.getNode(), _)
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then cfg.isSinkWithHighlight(sink.getNode(), highlight)
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else highlight = sink.getNode()
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select highlight, source, sink, "This shell command depends on an uncontrolled $@.", sourceNode,
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sourceNode.getSourceType()
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