mcp-server-semgrep/semgrep-rules/problem-based-packs/insecure-transport/java-stdlib/telnet-request.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: telnet-request
  message: >-
    Checks for attempts to connect through telnet. This is insecure as the telnet protocol supports
    no encryption, and data passes through unencrypted.
  severity: WARNING
  metadata:
    likelihood: MEDIUM
    impact: MEDIUM
    confidence: MEDIUM
    category: security
    cwe: 'CWE-319: Cleartext Transmission of Sensitive Information'
    owasp: 'A03:2017 - Sensitive Data Exposure'
    references:
    - https://commons.apache.org/proper/commons-net/javadocs/api-3.6/org/apache/commons/net/telnet/TelnetClient.html
    subcategory:
    - vuln
    technology:
    - java
    vulnerability: Insecure Transport
  languages:
  - java
  pattern: |
    $TELNETCLIENT = new TelnetClient(...);
    ...
    $TELNETCLIENT.connect(...);