BrokenCryptoAlgorithm.ql

/**
 * @name Use of a broken or weak cryptographic algorithm
 * @description Using broken or weak cryptographic algorithms can compromise security.
 * @kind problem
 * @problem.severity warning
 * @precision high
 * @id js/weak-cryptographic-algorithm
 * @tags security
 *       external/cwe/cwe-327
 */
import javascript
import semmle.javascript.security.dataflow.RemoteFlowSources
import semmle.javascript.security.dataflow.BrokenCryptoAlgorithm::BrokenCryptoAlgorithm
import semmle.javascript.security.SensitiveActions

from Configuration brokenCrypto, Source source, DataFlow::Node sink
where brokenCrypto.hasFlow(source, sink) and
      not source.asExpr() instanceof CleartextPasswordExpr // flagged by js/insufficient-password-hash
select sink, "Sensitive data from $@ is used in a broken or weak cryptographic algorithm.", source , source.describe()