ZipSlip.ql

/**
 * @name Arbitrary file write during archive extraction ("Zip Slip")
 * @description Extracting files from a malicious archive without validating that the
 *              destination file path is within the destination directory can cause files outside
 *              the destination directory to be overwritten.
 * @kind path-problem
 * @id py/zipslip
 * @problem.severity error
 * @security-severity 7.5
 * @precision high
 * @tags security
 *       external/cwe/cwe-022
 */

import python
import experimental.semmle.python.security.ZipSlip
import DataFlow::PathGraph

from ZipSlipConfig config, DataFlow::PathNode source, DataFlow::PathNode sink
where config.hasFlowPath(source, sink)
select sink.getNode(), source, sink, "Extraction of zipfile from $@", source.getNode(),
  "a potentially untrusted source"