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codeql/javascript/ql/src/Security/CWE-078/UnsafeShellCommandConstruction.ql
2023-10-13 13:15:06 +02:00

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/**
* @name Unsafe shell command constructed from library input
* @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 6.3
* @precision high
* @id js/shell-command-constructed-from-input
* @tags correctness
* security
* external/cwe/cwe-078
* external/cwe/cwe-088
*/
import javascript
import semmle.javascript.security.dataflow.UnsafeShellCommandConstructionQuery
import UnsafeShellCommandConstructionFlow::PathGraph
from
UnsafeShellCommandConstructionFlow::PathNode source,
UnsafeShellCommandConstructionFlow::PathNode sink, Sink sinkNode
where UnsafeShellCommandConstructionFlow::flowPath(source, sink) and sinkNode = sink.getNode()
select sinkNode.getAlertLocation(), source, sink,
"This " + sinkNode.getSinkType() + " which depends on $@ is later used in a $@.",
source.getNode(), "library input", sinkNode.getCommandExecution(), "shell command"