nuclei-templates/cves/2018/CVE-2018-15473.yaml

id: CVE-2018-15473

info:
  name: OpenSSH Username Enumeration <= v7.7
  author: r3dg33k,daffainfo,forgedhallpass
  severity: medium
  description: OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed,
    related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2018-15473
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 5.3
    cve-id: CVE-2018-15473
    cwe-id: CWE-362
  tags: network,openssh,cve,cve2018

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

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

    extractors:
      - type: regex
        regex:
          - '(?i)SSH-2.0-OpenSSH_[^\r]+'
Update and rename network/openssh-username-enumeration.yaml to cves/2018/CVE-2018-15473.yaml 2021-08-21 11:55:11 +00:00			`id: CVE-2018-15473`

			`info:`
Update SSH user enum templates SSH header structure: SSH-protoversion-softwareversion[SPcomments]CRLF see: https://datatracker.ietf.org/doc/html/rfc4253#section-4.2 2021-11-01 18:34:47 +00:00			`name: OpenSSH Username Enumeration <= v7.7`
			`author: r3dg33k,daffainfo,forgedhallpass`
Added cve annotations + severity adjustments 2021-09-10 11:26:40 +00:00			`severity: medium`
refactor: Description field uniformization * info field reorder * reference values refactored to list * added new lines after the id and before the protocols * removed extra new lines * split really long descriptions to multiple lines (part 1) * other minor fixes 2022-04-22 10:38:41 +00:00			`description: OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed,`
			`related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.`
			`reference:`
			`- https://nvd.nist.gov/vuln/detail/CVE-2018-15473`
Added cve annotations + severity adjustments 2021-09-10 11:26:40 +00:00			`classification:`
			`cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`
refactor: Description field uniformization * info field reorder * reference values refactored to list * added new lines after the id and before the protocols * removed extra new lines * split really long descriptions to multiple lines (part 1) * other minor fixes 2022-04-22 10:38:41 +00:00			`cvss-score: 5.3`
Added cve annotations + severity adjustments 2021-09-10 11:26:40 +00:00			`cve-id: CVE-2018-15473`
			`cwe-id: CWE-362`
Network template updates & fixes (#3497) * Fixed template syntax * network template update and fixes 2022-01-07 07:28:37 +00:00			`tags: network,openssh,cve,cve2018`
Update and rename network/openssh-username-enumeration.yaml to cves/2018/CVE-2018-15473.yaml 2021-08-21 11:55:11 +00:00
			`network:`
			`- host:`
			`- "{{Hostname}}"`
Network template updates & fixes (#3497) * Fixed template syntax * network template update and fixes 2022-01-07 07:28:37 +00:00			`- "{{Host}}:22"`
Update and rename network/openssh-username-enumeration.yaml to cves/2018/CVE-2018-15473.yaml 2021-08-21 11:55:11 +00:00
			`matchers:`
			`- type: regex`
			`regex:`
Update SSH user enum templates SSH header structure: SSH-protoversion-softwareversion[SPcomments]CRLF see: https://datatracker.ietf.org/doc/html/rfc4253#section-4.2 2021-11-01 18:34:47 +00:00			`- '(?i)SSH-2.0-OpenSSH_(?:[1-6][^\d][^\r]+\|7\.[0-7][^\d][^\r]+)'`
matcher + added version extractors 2021-10-30 13:56:12 +00:00
			`extractors:`
			`- type: regex`
			`regex:`
Update SSH user enum templates SSH header structure: SSH-protoversion-softwareversion[SPcomments]CRLF see: https://datatracker.ietf.org/doc/html/rfc4253#section-4.2 2021-11-01 18:34:47 +00:00			`- '(?i)SSH-2.0-OpenSSH_[^\r]+'`