id: CVE-2016-6210

info:
  name: OpenSSH username enumeration < v7.3
  author: iamthefrogy,forgedhallpass
  severity: medium
  description: OpenSSH before 7.3 is vulnerable to username enumeration and DoS vulnerabilities.
  reference:
    - http://seclists.org/fulldisclosure/2016/Jul/51
    - https://security-tracker.debian.org/tracker/CVE-2016-6210
    - http://openwall.com/lists/oss-security/2016/08/01/2
    - https://nvd.nist.gov/vuln/detail/CVE-2016-6210
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 5.9
    cve-id: CVE-2016-6210
    cwe-id: CWE-200
  tags: cve,cve2016,network,openssh

network:
  - host:
      - "{{Hostname}}"
      - "{{Host}}:22"

    matchers:
      - type: regex
        regex:
          - '(?i)SSH-2.0-OpenSSH_(?:[1-6][^\d][^\r\n]+|7\.[0-2][^\d][\n^\r]+)'

    extractors:
      - type: regex
        regex:
          - '(?i)SSH-2.0-OpenSSH_[^\r\n]+'