TaintedPath.ql

/**
 * @name Uncontrolled data used in path expression
 * @description Accessing paths influenced by users can allow an attacker to access unexpected resources.
 * @kind path-problem
 * @problem.severity error
 * @security-severity 7.5
 * @precision high
 * @id cs/path-injection
 * @tags security
 *       external/cwe/cwe-022
 *       external/cwe/cwe-023
 *       external/cwe/cwe-036
 *       external/cwe/cwe-073
 *       external/cwe/cwe-099
 */

import csharp
import semmle.code.csharp.security.dataflow.TaintedPathQuery::TaintedPath
import semmle.code.csharp.dataflow.DataFlow::DataFlow::PathGraph

from TaintTrackingConfiguration c, DataFlow::PathNode source, DataFlow::PathNode sink
where c.hasFlowPath(source, sink)
select sink.getNode(), source, sink, "$@ flows to here and is used in a path.", source.getNode(),
  "User-provided value"